| description | Automatically generated file. DO NOT MODIFY |
|---|
mgc users messages attachments create-upload-session post --user-id {user-id} --message-id {message-id} --body '{
\
"AttachmentItem": {
\
"attachmentType": "file",
\
"name": "flower",
\
"size": 3483322
\
}
\
}
\
'