Download the plugin on poggit:

ChatCooldown

⏰ A chat cooldown plugin for pocketmine servers.

Functionality

• Only the administrators can update the cooldown with /cooldown (default permission: chatcooldown.admin)
• This command will open a form where you can set a cooldown or remove the cooldown.
• Players with permission chatcooldown.bypass will be immune to the cooldown effect.

Virions Used

• EasyUI by andresbytes

Pictures