I would think you could do something like this:

/cast [target=focustarget,modifier:alt,exists,harm,nodead] shadowbolt;[exists,harm,nodead] shadowbolt
/stopmacro [exists,harm,nodead]
/assist focus
/cast [exists,harm,nodead] shadowbolt

Might be off in on the syntax, but I think the above should work.

Personally I just use a key to have my adds take my target.
Usually in 4 of 5 mob pulls i initially have my toons have a target each, to spread the aggro (running 5 shamans so no real tank) cast the first spell, then hit the /target focustarget key to focus fire on one mob at the time...


//Ztar