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blockly > dialog > setAlert
dialog.setAlert() function
Sets the function to be run when Blockly.dialog.alert() is called.
Signature:
export declare function setAlert(alertFunction?: (message: string, callback?: () => void) => void): void;
Parameters
| Parameter |
Type |
Description |
| alertFunction |
(message: string, callback?: () => void) => void |
(Optional) The function to be run, or undefined to restore the default implementation. |
Returns:
void
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Last updated 2025-05-16 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-05-16 UTC."],[[["\u003cp\u003eDefines a custom function to be executed when Blockly's alert dialog is triggered.\u003c/p\u003e\n"],["\u003cp\u003eAccepts a function as input, which will handle displaying the alert message and any subsequent actions.\u003c/p\u003e\n"],["\u003cp\u003eThe provided function receives the alert message and an optional callback function as parameters.\u003c/p\u003e\n"],["\u003cp\u003eReturns void, indicating that it doesn't produce a direct output.\u003c/p\u003e\n"]]],["The `dialog.setAlert()` function configures the action triggered by `Blockly.dialog.alert()`. It accepts a single parameter, `alertFunction`, which is a function itself. This `alertFunction` takes a string (p1) and an optional function (p2) as inputs. When `Blockly.dialog.alert()` is called, the provided `alertFunction` is executed, enabling custom behavior for alert dialogs. The function returns `void`, meaning it does not return any value.\n"],null,["[blockly](./blockly.md) \\\u003e [dialog](./blockly.dialog_namespace.md) \\\u003e [setAlert](./blockly.dialog_namespace.setalert_1_function.md)\n\ndialog.setAlert() function\n--------------------------\n\nSets the function to be run when Blockly.dialog.alert() is called.\n\n**Signature:** \n\n export declare function setAlert(alertFunction?: (message: string, callback?: () =\u003e void) =\u003e void): void;\n\nParameters\n----------\n\n| Parameter | Type | Description |\n|---------------|----------------------------------------------------|------------------------------------------------------------------------------------------|\n| alertFunction | (message: string, callback?: () =\\\u003e void) =\\\u003e void | *(Optional)* The function to be run, or undefined to restore the default implementation. |\n\n**Returns:**\n\nvoid"]]
