Attachments in messages

URL	Business Rules/Logic	Use Cases	Expected	TC
https://www.liveglobalexpo.com/inbox	users can able to share attachment on the chat. images and documents are allowed to share	to attached a file on the message, click the photo icon on the chat box, look the file on your device and click send. or from your device just drag and drop the file on the chat box. Each file have maximum limit of less than 15mb	file should be attached successfully on the message and send thru the users	---