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    How SailPoint uses Anthropic’s Claude on Amazon Bedrock to automatically generate TypeScript code for SaaS connectors

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    Generative AI is revolutionizing the way developers approach programming by providing intelligent assistance and automation throughout the coding process. With the power of advanced language models and machine learning (ML) algorithms, generative AI can understand the context and intent behind a programmer’s code, offering valuable suggestions, completing code snippets, and even generating entire functions or modules based on high-level descriptions. This technology empowers developers to focus on higher-level problem-solving and architecture, while the AI handles the tedious and repetitive aspects of coding. One of the key advantages of large language models (LLMs) in programming is their ability to learn from the vast amounts of existing code and programming patterns they were trained on. This knowledge allows them to generate context-aware code, detect potential bugs or vulnerabilities, and offer optimizations to improve code quality and performance.

    In this post, we highlight how the AWS Generative AI Innovation Center collaborated with SailPoint Technologies to build a generative AI-based coding assistant that uses Anthropic’s Claude Sonnet on Amazon Bedrock to help accelerate the development of software as a service (SaaS) connectors.

    Amazon Bedrock is a fully managed service that offers a choice of high-performing foundation models (FMs) from leading AI companies like AI21 Labs, Anthropic, Cohere, Meta, Mistral AI, Stability AI, and Amazon through a single API, along with a broad set of capabilities to build generative AI applications with security, privacy, and responsible AI.

    SailPoint specializes in enterprise identity security solutions. Over 3,000 enterprises worldwide use SailPoint to help defend against today’s dynamic, identity-centric cyber threats while enhancing productivity and efficiency. Their products are designed to manage and secure access to applications and data through the lens of identity, at speed and scale, for users inside an organization and for external parties such as non-employees. SailPoint’s unified, intelligent, and extensible environment provides comprehensive identity governance capabilities, including access certifications, policy management, access request and provisioning, password management, and data access governance. This helps organizations make sure the right individuals have the right access to the right resources at the right times, thereby enforcing security policies and compliance requirements. Founded in 2005, SailPoint has grown to be a key player in identity security, serving customers globally across various industries.

    SailPoint connectors and SaaS connectivity

    SailPoint’s identity security solutions interface with various software as a service (SaaS) applications to retrieve the necessary information, such as account and access information, from an identity security standpoint. Each SaaS application implements these functionalities in slightly different ways and might expose their implementation through REST-based web APIs that are typically supported by OpenAPI specifications. SailPoint connectors are TypeScript modules that interface with a SaaS application and map the relevant identity security information (such as accounts and entitlements) to a standardized format understood by SailPoint. Based on the APIs exposed by the application, SailPoint connectors can create, update, and delete access on those accounts. SailPoint connectors help manage user identities and their access rights across different environments within an organization, supporting the organization’s compliance and security efforts.

    Although a typical connector exposes several functions, for this post, we focus on developing the list user function of a connector that connects to an API endpoint for listing users, retrieving all the users, and transforming them into the format required by SailPoint.

    In the following sections, we detail how we used Anthropic’s Claude Sonnet on Amazon Bedrock to automatically create the list user connector, a critical component of the broader SaaS connectivity.

    Understanding the list user connector

    Connectors are modules that can connect to an external service and retrieve and update relevant information from a SaaS application. To better understand how connectors are built, we give an example of the connector function that connects to DocuSign’s REST API’s getUsers endpoint. The following TypeScript code defines an asynchronous function listUsers that retrieves a list of user accounts from an external API and constructs a structured output for each user:

    // imports
import { Context, Response, StdAccountListHandler, StdAccountListOutput } from '@sailpoint/connector-sdk';

const listUsers: StdAccountListHandler = async (context: Context, input: undefined, res: Response) => {
    // retrieve api key and host url from context
    let apiKey = context.apiKey;
    let hostUrl = context.hostUrl;
    let hasMore = true;
    
    // url construction
    let url = `https://${hostUrl}/Management/v2/organizations/${context.organizationId}/users`;
    
    // loop through pages
    while (hasMore) {
        // fetch response from the endpoint
        let response = await fetch(url, {
          headers: {
            'Authorization': `Bearer ${apiKey}`
          }
        });
        let results = await response.json();
  
        // processing users from response
        let users = results.users;
        for (const user of users) {
            const output: StdAccountListOutput = {
                identity: user.id,
                attributes: {
                    user_name: user.user_name,
                    first_name: user.first_name,
                    last_name: user.last_name,
                    user_status: user.user_status, 
                    membership_status: user.membership_status, 
                    email: user.email,
                    created_on: user.created_on, 
                    membership_created_on: user.membership_created_on,                     
                    ds_group_id: user.company_groups.map(group => group.ds_group_id),
                    ds_group_account_id: user.company_groups.map(group => group.ds_group_account_id)                   
                }
            };
        }
        // pagination
        if (results.paging.next) {
          url = results.paging.next;
        } else {
          hasMore = false;
        }
    }
}

    The following is a breakdown of what each part of the code does:

    • Imports – The code imports several types and interfaces from @sailpoint/connector-sdk. These include Context, Response, StdAccountListHandler, and StdAccountListOutput, which are used to handle the input and output of the function in a standardized way within a SailPoint environment.
    • Function definition – listUsers is defined as an asynchronous function compatible with the StdAccountListHandler It uses the Context to access configuration details like API keys and the base URL, and a Response to structure the output.
    • Retrieve API key and host URL – These are extracted from the context parameter. They are used to authenticate and construct the request URL.
    • URL construction – The function constructs the initial URL using the hostUrl and organizationId from the context. This URL points to an endpoint that returns users associated with a specific organization.
    • Loop through pages – The while loop continues as long as there are more pages of data (hasMore is true). It serves the following functions:
      • Fetch data – Inside the while loop, a fetch request is made to the API endpoint. The request includes an Authorization header that uses the apiKey. The API’s response is converted to JSON format.
      • Process users – Inside the while loop, it extracts user data from the API response. The process loops through each user, constructing an StdAccountListOutput object for each one. This object includes user identifiers and attributes like user names, names, status, email, and group IDs.
      • Pagination – Inside the while loop, it checks if there is a next page URL in the pagination information (results.paging.next). If it exists, it updates the url for the next iteration of the loop. If not, it sets hasMore to false to stop the loop.

    Understanding this example helps us understand the step-by-step process of building this function in a connector. We aim to reproduce this process using an LLM with a prompt chaining strategy.

    Generate a TypeScript connector using an LLM prompt chain

    There are several approaches to using pre-trained LLMs for code generation, with varying levels of complexity:

    • Single prompt – You can use models like Anthropic’s Claude to generate code by direct prompting. These models can generate code in a variety of languages, including TypeScript, but they don’t inherently possess domain-specific knowledge relevant to the task of building a connector. All the required information, including API specifications and formatting instructions, must be provided in the prompt, similar to the instructions that would be given to a developer. However, LLMs tend to struggle when given a long list of complex instructions. It’s also difficult for the prompt engineer to understand which steps are challenging for the LLM.
    • Agentic frameworks with LLMs – Agents are a sophisticated framework that can use tools to perform a sequence of complex tasks. In this case, the agent starts by breaking down the user requests into steps, searches for necessary information using tools (a knowledge base or web browser), and autonomously generates code from start to finish. Although they’re powerful, these frameworks are complex to implement, often unstable in their behavior, and less controllable compared to other methods. Agents also require many LLM calls to perform a task, which makes them rather slow in practice. In the case where the logic to perform a task is a fixed sequence of steps, agents are not an efficient option.
    • Prompt chain – A solution that finds a good trade-off between the two previous approaches involves using a prompt chaining technique. This method breaks the complex problem into a series of more manageable steps and integrates them to craft the final code. Each step has clear instructions that are easier for the LLM to follow, and a human in the loop can control the output of each step and correct the LLM if needed. This approach strikes a balance between flexibility and control, avoiding the extremes of the other two methods.

    We initially tested the LLM’s ability to generate connector code based on a single prompt and realized that it struggles to generate code that addresses all aspects of the problem, such as pagination or nested data structures. To make sure the LLM would cover all the necessary components of the connector functions, and because creating a connector follows a fixed sequence of steps, prompt chaining was the most natural approach to improve the generated code.

    The chain we used for connector generation consists of the following high-level steps:

    1. Parse the data model of the API response into prescribed TypeScript classes.
    2. Generate the function for user flattening in the format expected by the connector interface.
    3. Understand the pagination of the API specs and formulate a high-level solution.
    4. Generate the code for the ListUsers function by combining all the intermediate steps.

    Step 1 is used as an input to Step 2, but Step 3 is separate. Both Step 2 and Step 3 results are fed to Step 4 for the final result. The following diagram illustrates this workflow.

    In the following sections, we will dive into the prompting techniques we used for each of these steps.

    System prompt

    The system prompt is an essential component of LLM prompting that typically provides the initial context to guide the model’s response. For all the prompts in the chain, we used the following system prompt:

    """
You are an expert web developer who has an excellent understanding of REST APIs and backend
API development using TypeScript. Your goal is to understand API specification provided in 
OpenAPI specification or Swagger specification as YAML files and to write TypeScript code,
XML, API descriptions etc. as requested in the task description. Do not deviate from the 
provided specification and documentation and if something is unclear in the specification then 
mention your uncertainty in the comments do not make up information that is not available in 
the specs or description.

When writing TypeScript code, provide minimal but meaningful comments.
"""

    More specifically, the system prompt is used to establish the role of the LLM (expert web developer), give it a general goal (understand API specs and write TypeScript code), give high-level instructions (add comments in the code) and set boundaries (do not make up information).

    Data model parsing

    In this step, we prompt the LLM to understand the structure of the API response and create TypeScript classes corresponding to the objects in the response. Although this step isn’t strictly necessary for generating the response, it can help the LLM immensely in generating a correct connector. Similar to chain-of-thought reasoning for arithmetic problems, it is forcing the LLM to “think” before responding.

    This step offers two primary benefits:

    • Verbose API response simplification – API responses specified in the documentation can be quite verbose. By converting the response structure into TypeScript classes, we compress the information into fewer lines of code, making it more concise and less complicated for the LLM to comprehend. This step helps ensure that the essential information is prominently displayed at the start.
    • Handling fragmented user responses – In some APIs, the user response is composed of several fragments because of the reuse of data structures. The OpenAPI specification uses the $ref tag to reference these reusable components. By converting the user response into TypeScript classes, we can consolidate all the relevant information into a single location. This consolidation simplifies the downstream steps by providing a centralized source of information.

    We use the following task prompt to convert the API response into prescribed TypeScript classes:

    """
You are given an API spec of OpenAPI or Swagger for a REST API endpoint
that serves a list of users for Software as a Service (SaaS) application. You will 
be asked to extract the structure of the User in the JSON response from the API endpoint. 

Here is the API spec provided between the XML tags  . 
Understand and remember the API spec well.


{api_spec}


Use the following instructions to create TypeScript interfaces based on the structure 
of the User. 

- Provide the code in between   XML tags. 
- If there are any nested objects, expand them into their own interfaces.
- Be comprehensive and include all attributes.
- Retrieve all attributes, including those marked as not mandatory, not required, or nullable.
- The attributes are listed under `properties` section.
- Output only one User interface that includes all the attributes from any interfaces it extends.


The expected format of the output is as follows: 
 
// User
interface User {{
  id: number;
  first_name: string;
  last_name: string;
  email: string;
  is_active: boolean;
  company_groups_ids: number[];
  other_attribute: string;
  nested_type: NestedType[];
}}

// Some complex type
interface NestedType {{
    type_id: string;
    some_string_attribute: string;
    some_number_attribute: number;
}}


"""

    In the preceding prompt template, the variable {api_spec} is replaced with the API specification of the endpoint. A specific example for a DocuSign ListUsers endpoint is provided in the appendix.

    The following code is an example of the LLM-generated classes when applied to the DocuSign API specs. This has been parsed out of the tags.

    // User
interface User {
    id: string; // format: uuid
    user_name: string;
    first_name: string;
    last_name: string;
    user_status: string; // One of: 'active' | 'created' | 'closed'
    membership_status: string; // One of: 'activation_required' | 'activation_sent' | 'active' | 'closed' | 'disabled'
    email: string;
    created_on: string; // format: date-time
    membership_created_on: string; // format: date-time
    ds_groups: DsGroup[];
}
  
// DsGroup
interface DsGroup {
    ds_group_id: string; // format: uuid
    account_id: string; // format: uuid
    source_product_name: string;
    group_id: string;
    group_name: string;
    description: string;
    is_admin: boolean;
    last_modified_on: string; // format: date-time
    user_count: number; // format: int32
    external_account_id: number; // format: int64
    account_name: string;
    membership_id: string; // format: uuid
}

    User flattening function generation

    The expected structure for each user is an object consisting of two properties: an identifier and a dictionary of attributes. The attributes dictionary is a map that associates string keys with either primitive attributes (number, Boolean, or string) or an array of primitive attributes. because of the potential for arbitrarily nested JSON object structures in the response, we use the capabilities of an LLM to generate a user flattening and conversion function. Both the user ID and the attributes are extracted from the response. By employing this approach, we effectively separate the intricate task of converting the user structure from the REST API response into the required format for the SailPoint connector SDK (hereafter referred to as the connector SDK).

    The benefits of this approach are twofold. First, it allows for a cleaner and more modular code design, because the complex conversion process is abstracted away from the main code base. Second, it enables greater flexibility and adaptability, because the conversion function can be modified or regenerated to accommodate changes in the API response structure or the connector SDK requirements, without necessitating extensive modifications to the surrounding code base.

    We use the following prompt to generate the conversion function, which takes as input the data model generated in the previous step:

    """
Understand and remember the following data model provided 
as a set of TypeScript class definitions.
You will be required to generate a TypeScript function based on the 
data model provided between   XML tags.


{data_model}


DO NOT use the TypeScript interfaces defined above in the code you write, 
as they will be unavailable. Substitute them with the type `any` where required 
to write code that works with strict TypeScript.

Given the TypeScript class definitions and data model above, your goals is to
write a TypeScript function that transforms the user into an object containing two
keys - an `identity` and `attributes`. The attributes is a list of attributes
other than the identifier attribute.

Here are the rules for mapping attributes from the user object to attributes field:


- The function takes in a user and return StdAccountListOutput.
- Extract all attributes specified in the user schema above in the 
- attributes can only contain either primitives values or array of primitive values.
- Determine the type of the attribute from the  above. Do not guess it from the
names of the attributes. E.g. if the name is plural don't assume it is an array.
- All primitive attributes such as string and numbers are copied without transformation.
- All arrays of primitive attributes are copied without transformation.
- All objects are flattened out and their attributes are copied as simple attributes.
- All arrays of objects are converted into multiple attributes where each attribute is an array of primitive type. 
See further instruction below between the XML tags .
- Use `any` type in functions and arrow function definitions so that it works with TypeScript.





Consider the following structure of the response where `obj_array` is an attribute that is array of objects of type `MyObj`.
Then in the flattening process, for the response, you will need to convert the `obj_array` attribute 
into multiple attributes like `obj_array_attribute1`, `obj_array_attribute2` each of which is an array of strings in this case.

interface User {{
  id: string; // format: uuid
  user_name: string;
  first_name: string;
  obj_array: MyObject[];
}}

interface MyObj {{
  attribute1: string; // format: uuid
  attribute2: string; // format: uuid
  attribute3: string;
}}
 


Output the code according to the template program below enclosed between the  XML tags.

This function is part of a larger program so keep the StdAccountListOutput in the function as it is.
Do not overcomplicate and write simple, well readable code. 



function flattenUser(user: any): StdAccountListOutput {{
  return {{
    identity: user.id,
    attributes: {{
      first_name: user.first_name,
      last_name: user.last_name,
      user_type: user.type,
      login: user.login,
      email: user.email,
      location: user.location,
      employee_id: user.employee_id,
      reviewer_id: user.reviewer_id,
      is_active: user.is_active,
      struct_array_attribute: user.struct_array.map( (val: any) => val.struct_attribute)
    }}
  }}
}};


"""

    In the preceding prompt template, we replace the {data_model} variable with the data model of TypeScript classes extracted in the previous generation step of parsing the data model.

    The following code is an example of the LLM-generated user flattening function when applied to the DocuSign API:

    function flattenUser(user: any): StdAccountListOutput {
    const identity = user.id;
    const attributes: { [key: string]: any } = {};
  
    // Copy primitive attributes
    attributes.user_name = user.user_name;
    attributes.first_name = user.first_name;
    attributes.last_name = user.last_name;
    attributes.user_status = user.user_status;
    attributes.membership_status = user.membership_status;
    attributes.email = user.email;
    attributes.created_on = user.created_on;
    attributes.membership_created_on = user.membership_created_on;
  
    // Convert array of objects to multiple attributes
    const dsGroupAttributes: { [key: string]: any[] } = {};
    user.ds_groups.forEach((dsGroup: any) => {
      dsGroupAttributes.ds_group_id = dsGroupAttributes.ds_group_id || [];
      dsGroupAttributes.ds_group_id.push(dsGroup.ds_group_id);
  
      dsGroupAttributes.account_id = dsGroupAttributes.account_id || [];
      dsGroupAttributes.account_id.push(dsGroup.account_id);
  
      dsGroupAttributes.source_product_name = dsGroupAttributes.source_product_name || [];
      dsGroupAttributes.source_product_name.push(dsGroup.source_product_name);
  
      dsGroupAttributes.group_id = dsGroupAttributes.group_id || [];
      dsGroupAttributes.group_id.push(dsGroup.group_id);
  
      dsGroupAttributes.group_name = dsGroupAttributes.group_name || [];
      dsGroupAttributes.group_name.push(dsGroup.group_name);
  
      dsGroupAttributes.description = dsGroupAttributes.description || [];
      dsGroupAttributes.description.push(dsGroup.description);
  
      dsGroupAttributes.is_admin = dsGroupAttributes.is_admin || [];
      dsGroupAttributes.is_admin.push(dsGroup.is_admin);
  
      dsGroupAttributes.last_modified_on = dsGroupAttributes.last_modified_on || [];
      dsGroupAttributes.last_modified_on.push(dsGroup.last_modified_on);
  
      dsGroupAttributes.user_count = dsGroupAttributes.user_count || [];
      dsGroupAttributes.user_count.push(dsGroup.user_count);
  
      dsGroupAttributes.external_account_id = dsGroupAttributes.external_account_id || [];
      dsGroupAttributes.external_account_id.push(dsGroup.external_account_id);
  
      dsGroupAttributes.account_name = dsGroupAttributes.account_name || [];
      dsGroupAttributes.account_name.push(dsGroup.account_name);
  
      dsGroupAttributes.membership_id = dsGroupAttributes.membership_id || [];
      dsGroupAttributes.membership_id.push(dsGroup.membership_id);
    });
  
    Object.assign(attributes, dsGroupAttributes);
  
    return {
      identity,
      attributes
    };
}

    Pagination understanding

    As mentioned earlier, the REST API can implement one or more pagination schemes. Often, the pagination details aren’t explicitly mentioned. During the development of the chain, we found that when there are multiple pagination schemes, the LLM would mix up elements of different pagination schemes and output code that isn’t coherent and sometimes also contains errors. Because looping over the paged results is a crucial step, we separate out this step in the code generation to let the LLM understand the pagination scheme implemented by the API and formulate its response at a high level before outputting the code. This allows the LLM to think step by step in formulating the response. This step generates the intermediate reasoning, which is fed into the next and final step: generating the list users function code.

    We use the following prompt to get the pagination logic. Because we’re using Anthropic’s Claude Sonnet on Amazon Bedrock, we ask the LLM to output the logic in XML format, which is known to be an efficient way to structure information for that model.

    """
Understand and remember the following OpenAPI specification provided between the
  XML tags. You will answer questions based on this specification,
which describes an endpoint for listing users from a SaaS application. 


{api_spec}


In addition to the specification, use the following information about the API to 
understand the details that are not available in the spec. The details
are included in between XML tags  .


{api_info}


The list users API is used to obtain a list of users from the API. This API
may implement one or more pagination schemes to retrieve the list of users. 
Pagination is used to retrieve pages of results one at a time instead of 
all at once.

Your goal is to understand the multiple pagination schemes implemented 
in the API end point and use the simplest scheme to loop over the pages
to retrieve all the users. 

First describe in details how the pagination is implemented by the API 
in a step by step manner. Include the details of how to get the first 
page and then how to get the subsequent pages. Provide the output in between
the XML tags  . If the API does not 
implement pagination then output "No pagination implemented".

If the API implements multiple pagination schemes: 
- Select the easiest scheme and implement using only that one scheme. 
- If the API response contains a next URL either in the response body or the 
headers, prefer that pagination scheme over more complex offset-based schemes.

If there is insufficient or missing information in the specs then do not
make up or guess it. Specify it in the output.

Output the results in the following format


     list all the pagination schemes 
     select one scheme to implement looping 
     steps to get first page 
     steps to get next page 
     condition for exiting loop 
     yes/no 

"""

    In the preceding prompt template, the variable {api_spec} is replaced with the API specification. An example of the DocuSign API is provided in the appendix at the end of this post. The variable {api_info} can be replaced with additional API documentation in natural language, which is left as an empty string in the DocuSign example.

    The following is the LLM’s response for the pagination logic extraction in the case of the DocuSign API, parsed out of the tags:

    """

1. Offset-based pagination using the start and take query parameters. 
2. Index-based pagination using the start and end query parameters. 
3. Link-based pagination using the next and previous links in the response.



Link-based pagination using the next and previous links in the response.



1. Make a GET request to the /v2/organizations/{organizationId}/users endpoint without any pagination parameters. 
2. The response will contain the first page of results and a next link for the next page (if there are more results).



1. Check if the response contains a next link. 
2. If the next link is present, make a GET request to the URL provided in the next link. 
3. The response will contain the next page of results and a next link for the subsequent page (if there are more results).



Continue making requests to the next link until the response no longer contains a next link, indicating that there are no more pages.



yes

"""

    ListUsers function generation

    This final step in the chain combines the information extracted in the previous steps in addition to the user flattening function generated in the previous steps to formulate the final response, which is the TypeScript function that retrieves a list of users from the provided API.

    We use the following prompt to generate the complete TypeScript function:

    """
Your task is to write a TypeScript program to retrieve a list of users from REST API. Detailed
instructions for the task are provided below. The API typically returns a set of users at a
time, you will have to paginate through the results to retrieve all users while there are more 
results remaining.

Understand and remember the following OpenAPI YAML specification provided between the
  XML tags you will be asked to write a TypeScript program based on it.


{api_spec}


In addition to the specs the following documentation and implementation details about the
API are provided in between the XML tags  .


{api_info}


The following pagination logic specified in between   XML 
tags provides high level details on  how to implement looping over paginated results to retrieve 
all the users. Select the pagination according to the preference mentions in the pagination logic below.


{pagination_logic}



Now, implement a TypeScript function that retrieves all the users following the instructions below

- Do not modify the `flattenUser` function and reproduce it as it is.
- Change only the BODY of `listUsers` function but do not modify the function signature as it is
part of the large program that expects this function signature.
- Do not create or invent any new types.
- For pagination adhere to the instructions provided in  and 
- If pagination requires number of results, then fetch 50 users at a time.
- Assume that `context.hostUrl` from the input context will provide the API hostname and port in the 
format "hostname:port_number" or "host_ip_address:port_number".
- If the API uses a Link based pagination then you typically do not need to reconstruct the url using
`hostUrl` as the complete link will be provided in the next url or in the link headers.
- replace the `endpoint_url` with the endpoint url provided in the specs.
- You can assume that any required values such as `apiKey` will be provided in the `context` variable.
- Change the authorization headers to match the information in the headers.
- Assume that any parameters that are required to construct the path are supplied through `context` variable. The names of such variable 
will match exactly with the variable specified in the templated path in the API specs.


Here is the example output


import {{ Context, Response, StdAccountListHandler, StdAccountListOutput }} from '@sailpoint/connector-sdk';

{flatten_user_function}

const listUsers: StdAccountListHandler = async (context: Context, input: undefined, res: Response) => {{
    let apiKey = context.apiKey;
    let hostUrl = context.hostUrl;
    let hasMore = true;

    let url="http://${{hostUrl}}/{{endpoint_path}}";
    while (hasMore) {{

        // fetch response from the endpoint
        let response = await fetch(url, {{
          headers: {{
            'Authorization': `${{apiKey}}`
          }}
        }});
        let results = await response.json();

        // get the users from the returned results
        let users = results.users;
        for (let user of users) {{
            flattened_user = flattenUser(user)
            res.send(flattened_user);
        }}

        // Set the url to the "next" URL from the response if it is available
        if (results.next) {{
          url = results.next;
        }} else {{
          hasMore = false;
        }}
    }}
}}


Output the generated code between the XML tags   and 
only output the code without any additional formatting like triple quotes.
"""

    In this prompt, we replace {flatten_user_function} with the flattenUser that was generated earlier and {pagination_logic} with the one that was generated earlier. We provide a template for the listUsers function to make sure the final output meets the requirements for the connector function. The resulting output is the following listUsers function, which uses the flattenUser function from earlier:

    const listAccounts: StdAccountListHandler = async (context: Context, input: undefined, res: Response) => {
    let apiKey = context.apiKey;
    let hostUrl = context.hostUrl;
    let organizationId = context.organizationId;
    let hasMore = true;

    let url = `https://${hostUrl}/Management/v2/organizations/${organizationId}/users`;
    while (hasMore) {

        // fetch response from the endpoint
        let response = await fetch(url, {
          headers: {
            'Authorization': `Bearer ${apiKey}`
          }
        });
        let results = await response.json();

        // get the users from the returned results
        let users = results.users;
        for (let user of users) {
            let flattened_user = flattenUser(user)
            res.send(flattened_user);
        }

        // Set the url to the "next" URL from the response if it is available
        if (results.paging.next) {
          url = results.paging.next;
        } else {
          hasMore = false;
        }
    }
}

    Lessons learned

    In this post, we demonstrated how LLMs can address complex code generation problems by employing various core prompting principles and the prompt chaining technique. Although LLMs excel at following clearly defined instructions and generating small code snippets, this use case involved a substantial amount of contextual information in the form of API specifications and user instructions. Our findings from this exercise are the following:

    • Decomposing complex problems – Breaking down a complex code generation problem into several intermediate steps of lower complexity enhances the LLM’s performance. Providing a single complex prompt can result in the LLM missing some instructions. The prompt chaining approach enhances the robustness of the generation, maintaining better adherence to instructions.
    • Iterative optimization – This method allows for iterative optimization of intermediate steps. Each part of the chain can be refined independently before moving to the next step. LLMs can be sensitive to minor changes in instructions, and adjusting one aspect can unintentionally affect other objectives. Prompt chaining offers a systematic way to optimize each step independently.
    • Handling complex decisions – In the section on understanding pagination, we illustrated how LLMs can reason through various options and make complex decisions before generating code. For instance, when the input API specification supports multiple pagination schemes, we prompted the LLM to decide on the pagination approach before implementing the code. With direct code generation, without using an intermediate reasoning step, the LLM tended to mix elements of different pagination schemes, resulting in inconsistent output. By forcing decision-making first, in natural language, we achieved more consistent and accurate code generation.

    Through automated code generation, SailPoint was able to dramatically reduce connector development time from hours or days to mere minutes. The approach also democratizes code development, so you don’t need deep TypeScript expertise or intimate familiarity with SailPoint’s connector SDK. By accelerating connector generation, SailPoint significantly shortens the overall customer onboarding process. This streamlined workflow not only saves valuable developer time but also enables faster integration of diverse systems, ultimately allowing customers to use SailPoint’s identity security solutions more rapidly and effectively.

    Conclusion

    Our AI-powered solution for generating connector code opens up new possibilities for integrating with REST APIs. By automating the creation of connectors from API specifications, developers can rapidly build robust connections to any REST API, saving developer time and reducing the time to value for onboarding new customers. As demonstrated in this post, this technology can significantly streamline the process of working with diverse APIs, allowing teams to focus on using the data and functionality these APIs provide rather than getting overwhelmed by connector code details. Consider how such a solution could enhance your own API integration efforts—it could be the key to more efficient and effective use of the myriad APIs available in today’s interconnected digital landscape.

    About the Authors

    Erik Huckle is the product lead for AI at SailPoint, where he works to solve critical customer problems in the identity security ecosystem through generative AI and data technologies. Prior to SailPoint, Erik co-founded a startup in robotic automation and later joined AWS as the first product hire at Amazon One. Erik mentors local startups and serves as a board member and tech committee lead for a EdTech nonprofit organization.

    Tyler McDonnell is the engineering head of AI at SailPoint, where he leads the development of AI solutions to drive innovation and impact in identity security world. Prior to SailPoint, Tyler led machine learning research and engineering teams at several early to late-stage startups and published work in domains spanning software maintenance, information retrieval, and deep learning. He’s passionate about building products that use AI to bring positive impact to real people and problems.

    Anveshi Charuvaka is a Senior Applied Scientist at the Generative AI Innovation Center, where he helps customers adopt Generative AI by implementing solutions for their critical business challenges. With a PhD in Machine Learning and over a decade of experience, he specializes in applying innovative machine learning and generative AI techniques to address complex real-world problems.

    Aude Genevay is a Senior Applied Scientist at the Generative AI Innovation Center, where she helps customers tackle critical business challenges and create value using generative AI. She holds a PhD in theoretical machine learning and enjoys turning cutting-edge research into real-world solutions.

    Mofijul Islam is an Applied Scientist II at the AWS Generative AI Innovation Center, where he helps customers tackle complex, customer-centric research challenges using generative AI, large language models (LLM), multi-agent learning, and multimodal learning. He holds a PhD in machine learning from the University of Virginia, where his work focused on multimodal machine learning, multilingual NLP, and multitask learning. His research has been published in top-tier conferences like NeurIPS, ICLR, AISTATS, and AAAI, as well as IEEE and ACM Transactions.

    Yasin Khatami is a Senior Applied Scientist at the Generative AI Innovation Center. With more than a decade of experience in artificial intelligence (AI), he implements state-of-the-art AI products for AWS customers to drive efficiency and value for customer platforms. His expertise is in generative AI, large language models (LLM), multi-agent techniques, and multimodal learning.

    Karthik Ram is a Principal Solutions Architect with Amazon Web Services based in Columbus, Ohio. He works with Independent Software Vendors (ISVs) to build secure and innovative cloud solutions, including helping with their products and solving their business problems using data-driven approaches. Karthik’s area of depth is Cloud Security with a focus on Infrastructure Security and threat detection.

    Appendix

    The following API specifications were used for the experiments in this post:

    Copyright (c) 2017- DocuSign, Inc. (https://www.docusign.com)
swagger: '2.0'
info:
  title: DocuSign API
  version: v2.1
host: api.docusign.net
basePath: "/Management"
schemes:
- https
consumes:
- application/json
produces:
- application/json
paths:
  "/v2/organizations/{organizationId}/users":
    get:
      tags:
      - Users
      summary: Returns information about the users in an organization.
      description: |-
        Returns information about the users in an organization.

        You must include at least one of the following query parameters in the request:

        - `account_id`: The ID of an account associated with the organization.
        - `organization_reserved_domain_id`: The ID of one of the organization's reserved domains.
        - `email`: An email address associated with the users that you want to return.
      operationId: OrganizationUser_OrganizationUsers_GetV2
      produces:
      - application/json
      parameters:
      - name: organizationId
        in: path
        description: The organization ID Guid
        required: true
        type: string
        format: uuid
      - name: start
        in: query
        description: Index of first item to include in the response. The default value
          is 0.
        required: false
        type: integer
        format: int32
      - name: take
        in: query
        description: Page size of the response. The default value is 20.
        required: false
        type: integer
        format: int32
      - name: end
        in: query
        description: Index of the last item to include in the response. Ignored if
          `take` parameter is specified.
        required: false
        type: integer
        format: int32
      - name: email
        in: query
        description: Email address of the desired user. At least one of `email`, `account_id`
          or `organization_reserved_domain_id` must be specified.
        required: false
        type: string
      - name: email_user_name_like
        in: query
        description: Selects users by pattern matching on the user's email address
        required: false
        type: string
      - name: status
        in: query
        description: Status.
        required: false
        type: string
      - name: membership_status
        in: query
        description: |
          The user's membership status. One of:

          - `activation_required`
          - `activation_sent`
          - `active`
          - `closed`
          - `disabled`
        required: false
        type: string
      - name: account_id
        in: query
        description: Select users that are members of the specified account. At least
          one of `email`, `account_id` or `organization_reserved_domain_id` must be
          specified.
        required: false
        type: string
        format: uuid
      - name: organization_reserved_domain_id
        in: query
        description: Select users that are in the specified domain. At least one of
          `email`, `account_id` or `organization_reserved_domain_id` must be specified.
        required: false
        type: string
        format: uuid
      - name: last_modified_since
        in: query
        description: Select users whose data have been modified since the date specified.
          `account_id` or `organization_reserved_domain_id` must be specified.
        required: false
        type: string
      responses:
        '200':
          description: OK
          schema:
            type: object
            properties:
              users:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      format: uuid
                      type: string
                      example: 00000000-0000-0000-0000-000000000000
                      description: The user's unique ID.
                    user_name:
                      type: string
                      description: The full name of the user.
                    first_name:
                      type: string
                      description: The user's first name.
                    last_name:
                      type: string
                      description: The user's last name.
                    user_status:
                      type: string
                      description: |
                        The user's status. One of:

                        - `active`
                        - `created`
                        - `closed`
                    membership_status:
                      type: string
                      description: |
                        The user's membership status. One of:

                        - `activation_required`
                        - `activation_sent`
                        - `active`
                        - `closed`
                        - `disabled`
                    email:
                      type: string
                      description: The email address.
                    created_on:
                      format: date-time
                      type: string
                      description: The date the user's account was created.
                    membership_created_on:
                      format: date-time
                      type: string
                      description: The date on which the user became a member of the organization.
                    ds_groups:
                      type: array
                      items:
                        type: object
                        properties:
                          ds_group_id:
                            format: uuid
                            type: string
                            example: 00000000-0000-0000-0000-000000000000
                            description: ''
                          account_id:
                            format: uuid
                            type: string
                            example: 00000000-0000-0000-0000-000000000000
                            description: Select users that are members of the specified account. At least
                              one of `email`, `account_id` or `organization_reserved_domain_id` must be
                              specified.
                          source_product_name:
                            type: string
                          group_id:
                            type: string
                          group_name:
                            type: string
                          description:
                            type: string
                          is_admin:
                            type: boolean
                          last_modified_on:
                            format: date-time
                            type: string
                          user_count:
                            format: int32
                            type: integer
                          external_account_id:
                            format: int64
                            type: integer
                          account_name:
                            type: string
                          membership_id:
                            format: uuid
                            type: string
                            example: 00000000-0000-0000-0000-000000000000
                  description: Information about a user.
                description: A list of users.
              paging:
                  type: object
                  properties:
                    result_set_size:
                      format: int32
                      type: integer
                      description: The number of items in a result set (page).
                    result_set_start_position:
                      format: int32
                      type: integer
                      description: The index position of the first result in this set.
                    result_set_end_position:
                      format: int32
                      type: integer
                      description: The index position of the last result in this set.
                    total_set_size:
                      format: int32
                      type: integer
                      description: The total number of results.
                    next:
                      type: string
                      description: 'A URL to the next set of results. '
                    previous:
                      type: string
                      description: 'A URL to the previous set of results. '
                  description: Contains information about paging through the results.
            description: A response containing information about users.



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