Editing token bar values in a macro?

I have a macro that reads the values of bar3 from a selected token to determine how much healing the character needs; it works perfectly, no complaints.  I'd like to have the same macro go ahead and set the value of bar3 to the new healed-up value.  Assuming I have edit rights to the token in question, is this possible?  If so, what's the syntax?  TIA.

You will need to have access to the API. ChatSetAttr and TokenMod could be used how you want.

Kyle G. said: You will need to have access to the API. ChatSetAttr and TokenMod could be used how you want. OK.  I'll stick with my macro, in that case.  Thanks very much for the quick reply!