You can customize the chatroom notifications setting by the following methods:

A)  Turn off all notifications from the Global chatroom.

    • Tap on the bell sign in the top left corner of the chatroom list.

B) Turn off notifications from a particular player on the global channel

    1. Tap on the player icon
    2. Switch on the [Mute Notifications] option

C) Mute notification from Private/Alliance chatroom

    1. Tap on the gear icon at the top right corner of the chat room  
    2. Switch on the [Mute Notifications] option.