How to send an image in the create post api. Because in docs in api request there is no key mention for image.
https://docs.discourse.org/#tag/Posts/operation/createTopicPostPM
{
"title": "string",
"raw": "string",
"topic_id": 0,
"category": 0,
"target_recipients": "blake,sam",
"target_usernames": "string",
"archetype": "private_message",
"created_at": "string",
"reply_to_post_number": 0,
"embed_url": "string",
"external_id": "string"
}