The G4SLKUPF command is used to upload a file to your slack team. You are able to specify a channel, or list of channels all separated by commas, where you would like the file to be shared. If no channels are specified the file will be private.
Upload File (G4SLKUPF)
Type choices, press Enter.
ID . . . . . . . . . . . . . . . ___________________________________________________________________
Team . . . . . . . . . . . . . . ___________________________________________________________________
File to Upload . . . . . . . . . ___________________________________________________________________
Channel List . . . . . . . . . . ___________________________________________________________________
Additional Parameters
CCSID . . . . . . . . . . . . . 1252 Number
Debug . . . . . . . . . . . . . *NO *YES, *NO
Debug File . . . . . . . . . . . __________________________________________________________________