You can enable and disable the 'Batch Closed Ticket' button (), which allows you to close several tickets concurrently using this feature.
System Settings - Enable Batch Close Ticket
If this feature is disabled (Enable Batch Close Ticket = False), agents cannot see the 'batch closed ticket' button on their dashboard.
Enable Batch Close Ticket = True
If this feature is enabled (Enable Batch Close Ticket = True), agents can see and use the 'Batch Close Ticket' button to close multiple tickets at once, as shown below.