Changes to Send a business message

added the optional property error/authorization to the response with the 400 status

added the optional property error/authorization to the response with the 401 status

added the optional property error/authorization to the response with the 403 status

added the optional property error/authorization to the response with the default status

api tag customer-session added

added the optional property error/api_client_id to the response with the 400 status

added the optional property error/api_client_id to the response with the 401 status

added the optional property error/api_client_id to the response with the 403 status

added the optional property error/api_client_id to the response with the default status

changed the pattern of the request property content_docs/items/document_id from ^doc_[0-9a-hjkmnp-tv-z]{26}$ to ^doc_[0-7][0-9a-hjkmnp-tv-z]{25}$

changed the pattern of the request property message_id from ^msg_[0-9a-hjkmnp-tv-z]{26}$ to ^msg_[0-7][0-9a-hjkmnp-tv-z]{25}$