I am creating new admin module to list all messages sent to the admin by users.For that i have created new controller called message and action messagelist.To display messages i have created new button named [admin help request] under [admin help user request].When i click on [admin help user request] all messages displays(as in the 1st image).but problem is at the same time the menus under sales is also displays(as shown in the first image bellow).actually i need to display as image 2 can any one please solve this problem(actually messagelist action and view are is created by copying list action from ordercontroller).
Reffer:1.https://postimg.org/image/llx8gy8ir/
2.https://postimg.org/image/dt6fjj6o5/