> For the complete documentation index, see [llms.txt](https://docs.snyk.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.snyk.io/scan-fix-and-prevent/scan-with-snyk/snyk-container/container-registry-integrations/integrate-with-amazon-elastic-container-registry-ecr/add-more-organizations-to-your-aws-iam-role-for-snyk-authentication.md).

# Add more Organizations to your AWS IAM role for Snyk authentication

How to add more Organizations to your AWS IAM role for Snyk authentication

{% hint style="info" %}
**Snyk is rolling out a new navigation.** The steps on this page describe the classic interface. If your view looks different, visit [Navigate the Snyk Web UI](https://docs.snyk.io/navigate-the-snyk-web-ui#where-things-moved) to map these options to the new interface.
{% endhint %}

## Add more Organizations to your AWS IAM role for Snyk authentication

After creating an AWS IAM role for Snyk, you can add more Organizations to the same role for repeated use.

1. In [Snyk](https://app.snyk.io/), retrieve and copy the IDs for any additional Snyk Organizations that you want to integrate and save the IDs so you can paste them into a script in the subsequent steps.
2. In AWS, navigate to the **Trust relationships** tab for the role you want to update with additional Organizations.
3. Click **Edit trust relationship**.

   Ensure the value of "sts:ExternalId" is enclosed with square brackets and insert the additional Organization ID inside those brackets. Use a comma ( , ) to separate between Organization ID values. For example:

   ```
   "sts:ExternalId": [
   "11111111-1111-1111-1111-111111111111",
   "22222222-2222-2222-2222-222222222222",
   "c2fa1651-601d-41gc-abe9-03691f5287d8"
   ]
   ```

   Where:

   `"11111111-1111-1111-1111-111111111111"` = a unique Org ID

   `"22222222-2222-2222-2222-222222222222"` = another unique Org ID

   `"c2fa1651-601d-41gc-abe9-03691f5287d8"` = the ID for the Organization from which you are currently setting up the integration


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation by asking a question.

Perform an HTTP GET request on the following URL with the `ask` and `goal` query parameters:

```
GET https://docs.snyk.io/scan-fix-and-prevent/scan-with-snyk/snyk-container/container-registry-integrations/integrate-with-amazon-elastic-container-registry-ecr/add-more-organizations-to-your-aws-iam-role-for-snyk-authentication.md?ask=<question>&goal=<user_goal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is what the user is ultimately trying to achieve, the reason they need the answer. Sharing it helps GitBook give you a better, more relevant answer. A goal is most helpful when it describes the outcome the user wants rather than restating the question. For example, with `ask=how do I create an API token`, a goal like `automate deployments from our CI pipeline` lets GitBook tailor the answer to that use case.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.