MenuCommand.context
var context: Object;
Object context;
context as Object
Description

Context is the object that is the target of a menu command.

Usually the context is the current selection or the item under the mouse when invoking a context menu.
	// Add context menu named "Do Something" to context menu
	@MenuItem ("CONTEXTRigidbodyDo Something")
	static function DoSomething (command : MenuCommand) {
		var body : Rigidbody = command.context;
		body.mass = 5;
	}