Places or picks up an item from the send mail frame. Can also clear an item rather than picking it up.

ClickSendMailItemButton([itemIndex, [clearItem]])

Parameters Edit

Arguments Edit

([itemIndex, [clearItem]])

itemIndex 

Integer - The index of the item (1-ATTACHMENTS_MAX_SEND(12))

clearItem 

Boolean - Clear the item already in this slot. (Done by right clicking an item)