~~Title: Evaluator Button Labels~~
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In a toolbar or menu button, you can use the **@label** modifier to set the button label dynamically using the evaluator.

As a very basic example, `@label:=return "Hello!";` would set the label to "Hello!".

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The original label is available as the `original_label` variable.

The return value from the evaluation expression will be used as the label for the button.