The change for the shotgun, and camps. The principle of operation: Press the E button (this button is a macro)+ lmb.You only need to click on the lmb after you have clicked on the macro button. Put the macro on any convenient mouse or keyboard button. The macro just does the shift for you, but not the shot.
Download the program (Download) and go to the macro editor
press the button «Open file»
and select the downloaded file
assign a macro to a key and run the program