To send attachments to the customer:
If the attachment's file type is not supported or the file is too big, the checkbox will not be selected and you won’t be able to send the file:
Image attachments are displayed in the chat, and you can download them by clicking the image. You can play audio and video attachments in the chat, depending on your browser. Other types of attachments will show up as icons in the chat. To download the attachment file, click on the icon.
See also: