Update mob.dm

code/modules/keybindings/keybind/mob.dm

@@ -88,3 +88,19 @@
 	var/atom/A = user.mouseObject
 	if(A)
 		A.attempt_examinate(user.mob)
+
+/datum/keybinding/mob/cancel_action
+	hotkey_keys = list("Unbound")
+	name = "cancel_action"
+	full_name = "Cancel Action"
+	description = "Cancel the current action."
+
+/datum/keybinding/mob/cancel_action/down(client/user)
+	var/mob/M = user.mob
+	if(length(M.do_afters))
+		var/atom/target = M.do_afters[M.do_afters.len]
+		to_chat(M, "<span class='notice'>You stop interacting with \the [target].</span>")
+		LAZYREMOVE(M.do_afters, target)
+	else
+		to_chat(M, "<span class='notice'>There's nothing that you can cancel right now.</span>")
+	return TRUE