The role of the sender in the conversation (e.g., user, assistant).
Available options:
system
, user
, assistant
, function
The content of the message, including text and any attachments.
The ID of the source system or user that sent the message.
Example:
"source_abc123"
annotations
(Integer · object | Boolean · object | Text · object | Category · object | Category-Multiple · object | File · object | Workspace Container · object | Ranked Choices · object | Ranked Groups · object)[]
required
Annotations specific to this message.