How to describe a `multipart/form-data` request in blueprint documentation standard?

Question

i'm trying to document an API and one of these endpoints works as multipart/form-data content-type recipient to catch user uploads, and the whole other endpoints works as application/json content-type recipients.

In my documentation i have documented all json requests as properly json objects, but in the multipart/form-data idk how to describe it.

EX 1 - JSON Endpoint:

{
   "data": {
         "name": "username",
         "email": "email@example.com"
   }
}

Now i dont know how to describe this object as multipart/form-data object, using de Blueprint API Docs standard.

Can someone help me?