# ai_mentor_orgs_users_pin_message_create

Create a pinned message for a user session.

Args:
    request: The HTTP request containing session details.
    org: Organization key identifier.
    user_id: The username of the student.

Returns:
    Response: Status 201 on success.

Raises:
    NotFound: If the student does not exist.
    ValidationError: If request data is invalid.

Endpoint: POST /api/ai-mentor/orgs/{org}/users/{user_id}/pin-message/
Version: 3.59.0-ai-plus
Security: PlatformApiKeyAuthentication

## Path parameters:

  - `org` (string, required)

  - `user_id` (string, required)

## Request fields (application/json):

  - `session_id` (string, required)
    Session id of the message to pin

## Response 200 fields (application/json):

  - `id` (integer, required)

  - `platform` (string, required)
    The platform key

  - `username` (string, required)

  - `session_id` (string,null, required)