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connect signal
Learn connect signal in GDScript with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.
connect signal is an atomic GDScript topic inside Signals. The example below uses the actual construct named by the lesson rather than a generic placeholder.
Focus on what connect signal changes: the input, binding, control path, object state, collection, runtime effect, or language contract. Then alter one value and verify that the behavior changes for a reason specific to this feature.
Topic-specific example
$Button.pressed.connect(_on_button_pressed)
Observe when work actually runs, what state crosses the asynchronous boundary, and how completion or failure is surfaced.