Expand allows you to return additional fields that are not included in the default fields (comma-separated list).

Supported fields:

• escalated: Whether the session was escalated to human support (0/1)
• first_question: The first user question in the session (truncated to 120 characters)
• messages: Include the full message history for this session
• source: Origin channel (e.g. app, web, testing)
• testing: Whether the session is flagged as a test session (0/1)

Fields allows you to return a subset of the default fields (comma-separated list).

Supported fields:

• asset_id: Associated asset ID (if the session is scoped to a specific asset)
• created_ts: Session creation timestamp
• data: Session-specific data payload
• external_id: Customer's own identifier for this session
• guid: Session GUID
• id: Session ID
• language: Session language code (e.g. en)
• product_id: Product this session belongs to
• user_id: End user who started the session
• user_level: Access level of the end user