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blockly > WorkspaceSvg > getButtonCallback

WorkspaceSvg.getButtonCallback() method

Get the callback function associated with a given key, for clicks on buttons and labels in the flyout.

Signature:

getButtonCallback(key: string): ((p1: FlyoutButton) => void) | null;

Parameters

Parameter Type Description
key string The name to use to look up the function.

Returns:

((p1: FlyoutButton) => void) | null

The function corresponding to the given key for this workspace; null if no callback is registered.