How can i add hotkey for a group Selecting a group object is long process. We click and object and shift+G and then a pop arise and then we click on group again. After several click group objects selected Or we go to the out-liner and change from all scenes to group then we select the group.

Any other way or hotkey to add for just if click on a object and press a hotkey it should go all the process and select the group objects.
You can select in the Preferences what type of group you want to be selected specifically: