threadId property

String? threadId
getter/setter pair

The ID of the thread the message belongs to.

To add a message or draft to a thread, the following criteria must be met:

  1. The requested threadId must be specified on the Message or Draft.Message you supply with your request. 2. The References and In-Reply-To headers must be set in compliance with the RFC 2822 standard. 3. The Subject headers must match.

Implementation

core.String? threadId;