End a conversation for a user.
API Key for your organization
Project ID
A unique session ID generated by caller
The event that tracks an arbitray event
track The event that ends a conversation
Conversation Ended The ID of the conversation
The timestamp of the event, defaults to "now" if not specified.
The unique ID of the user
The ID of the device, if applicable
Any additional properties to be associated with the event
Any additional attributes to be associated with the conversation