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blockly > WorkspaceSvg > getToolboxCategoryCallback
Get the callback function associated with a given key, for populating custom toolbox categories in this workspace.
Signature:
getToolboxCategoryCallback(key: string): ((p1: WorkspaceSvg) => toolbox.FlyoutDefinition) | null;
Parameters
| Parameter |
Type |
Description |
| key |
string |
The name to use to look up the function. |
Returns:
((p1: WorkspaceSvg) => toolbox.FlyoutDefinition) | null
The function corresponding to the given key for this workspace, or null if no function 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18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\u003egetToolboxCategoryCallback\u003c/code\u003e method retrieves the callback function linked to a specific key used for filling custom toolbox categories within the workspace.\u003c/p\u003e\n"],["\u003cp\u003eIt accepts a string \u003ccode\u003ekey\u003c/code\u003e as input, which is employed to identify the desired function.\u003c/p\u003e\n"],["\u003cp\u003eIf a matching function is found, it's returned; otherwise, the method returns \u003ccode\u003enull\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe returned function is responsible for generating the content (a \u003ccode\u003eFlyoutDefinition\u003c/code\u003e) of a custom toolbox category within the workspace.\u003c/p\u003e\n"]]],[],null,["[blockly](./blockly.md) \\\u003e [WorkspaceSvg](./blockly.workspacesvg_class.md) \\\u003e [getToolboxCategoryCallback](./blockly.workspacesvg_class.gettoolboxcategorycallback_1_method.md)\n\nWorkspaceSvg.getToolboxCategoryCallback() method\n\nGet the callback function associated with a given key, for populating custom toolbox categories in this workspace.\n\n**Signature:** \n\n getToolboxCategoryCallback(key: string): ((p1: WorkspaceSvg) =\u003e toolbox.FlyoutDefinition) | null;\n\nParameters\n\n| Parameter | Type | Description |\n|-----------|--------|------------------------------------------|\n| key | string | The name to use to look up the function. |\n\n**Returns:**\n\n((p1: [WorkspaceSvg](./blockly.workspacesvg_class.md)) =\\\u003e [toolbox.FlyoutDefinition](./blockly.utils_namespace.toolbox_namespace.flyoutdefinition_typealias.md)) \\| null\n\nThe function corresponding to the given key for this workspace, or null if no function is registered."]]
