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blockly > WorkspaceSvg > getButtonCallback
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.
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eWorkspaceSvg.getButtonCallback()\u003c/code\u003e method retrieves the callback function linked to a specific key, utilized for handling clicks on buttons and labels within the flyout.\u003c/p\u003e\n"],["\u003cp\u003eIt accepts a single parameter, \u003ccode\u003ekey\u003c/code\u003e (string), which represents the identifier used to locate the desired function.\u003c/p\u003e\n"],["\u003cp\u003eIf a matching callback is found, it is returned; otherwise, the method returns \u003ccode\u003enull\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe returned callback function takes a \u003ccode\u003eFlyoutButton\u003c/code\u003e object as an argument, allowing developers to perform actions based on the button or label that was clicked.\u003c/p\u003e\n"]]],[],null,["[blockly](./blockly.md) \\\u003e [WorkspaceSvg](./blockly.workspacesvg_class.md) \\\u003e [getButtonCallback](./blockly.workspacesvg_class.getbuttoncallback_1_method.md)\n\nWorkspaceSvg.getButtonCallback() method\n---------------------------------------\n\nGet the callback function associated with a given key, for clicks on buttons and labels in the flyout.\n\n**Signature:** \n\n getButtonCallback(key: string): ((p1: FlyoutButton) =\u003e void) | null;\n\nParameters\n----------\n\n| Parameter | Type | Description |\n|-----------|--------|------------------------------------------|\n| key | string | The name to use to look up the function. |\n\n**Returns:**\n\n((p1: [FlyoutButton](./blockly.flyoutbutton_class.md)) =\\\u003e void) \\| null\n\nThe function corresponding to the given key for this workspace; null if no callback is registered."]]
