POST direct_messages/events/new (message_create)

【外部リンク】
https://developer.twitter.com/en/docs/direct-messages/sending-and-receiving/api-reference/new-event
POST direct_messages/events/new (message_create)
Publishes a new message_create event resulting in a Direct Message sent to a specified user from the authenticating user. Returns an event if successful. Supports publishing Direct Messages with optional Quick Reply and media attachment. Replaces behavior currently provided by POST direct_messages/new.

Requires a JSON POST body and Content-Type header to be set to application/json. Setting Content-Length may also be required if it is not automatically.