isLink
Deprecated
The attachment of type 'LINK' is not officially supported, and the Attachment.type can never have a value == 'link'. This method will always return false.
Return
If the attachment type is link.
The attachment of type 'LINK' is not officially supported, and the Attachment.type can never have a value == 'link'. This method will always return false.
If the attachment type is link.