# Audit Trail 2

- [OAuth2 Authenticate](https://rest-api.symphony.com/main/audit-trail-2/oauth2-authenticate.md): Released in 20.13. Authenticates the API caller on the Symphony servers (pod) using a Session token, and returns a valid OAuth2 access token.
- [Get Audit trails](https://rest-api.symphony.com/main/audit-trail-2/get_at2-v1-audits.md): The endpoint returns a paginated list of audits of the pod depending on input parameters such as the categories of audits, time interval etc. Each page can contain up to 100 audits.
- [Get distinct values of a list of filters](https://rest-api.symphony.com/main/audit-trail-2/get_at2-v1-filters-values.md): This endpoint returns the possible distinct values for each of the filter names provided in the "filters" parameter.
- [Get Audit Trail Stream](https://rest-api.symphony.com/main/audit-trail-2/get_at2-v1-audits-stream.md): The endpoint returns streamed list of audit trail events of the pod depending on input parameters such as the categories of audits, time interval etc. Pages can contain an unlimited number of records.
- [Get categories permissions](https://rest-api.symphony.com/main/audit-trail-2/get_at2-v1-categories-permissions.md): This endpoint returns the categories permissions of audit trail events for the current user. Fetching forbidden categories in other endpoints will end up in a 403 Forbidden response.


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# Agent Instructions: Querying This Documentation

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

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://rest-api.symphony.com/main/audit-trail-2.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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.