It's not obvious for the user that attachments can be added only after sending the first message in the conversation (in order to initialize conversation & get its conversationId). It's a better UX to explain to the end user, why the attachment button doesn't work.
It's not obvious for the user that attachments can be added only after sending the first message in the conversation (in order to initialize conversation & get its conversationId). It's a better UX to explain to the end user, why the attachment button doesn't work.