I apologize if this has been covered, but I couldn't find any answers. I am creating separate programs to track our paid advertising efforts. It has been suggested to me to break these out by channel rather than to lump them all into "Online Advertising," i.e. PPC Google, PPC Facebook. I cannot find a way to add any to the existing Channel tag, nor to further segment the Online Advertising channel tag--which would be ideal. Has anyone run into this issue? If so, how did you handle it?