code: function(key, sig, log) {
  		gui.Broadcast.$target = this;
  		gui.Broadcast.dispatchGlobal(edb.BROADCAST_SCRIPT_INVOKE, {
  			key: key,
  			sig: sig,
  			log: log
  		});
  	}
docs: This would relate to the sandbox (not in codebase currently).
  TODO: Target should only be spirits now, move to data arg...