comunication betwin 2 atatchement

is it possible
i have been tring to get the key of the atatchement on my chest but cant seam to do it
i tried to use the sensor and aparently that dosnt work since it dosnt get the 1 its atatch to
and link message dosnt work either
wiki was no help it just told i couldnt do the link message

so can any one help

The easiest way is for it to tell you it's key. you can put a llSay() in it's on_rez event handler so that whenever it rezzes (and therefore it's key changes) it says it's key on a private channel, and whatever needs it's key can listen for it.

thx