attachEvent

Subscribes to the specified event and calls the callback function when the event fires.

Syntax

expression.attachEvent(eventName, callback);

expression - A variable that represents a Api class.

Parameters

Name	Required/Optional	Data type	Default	Description
eventName	Required	string		The event name.
callback	Required	function		Function to be called when the event fires.

Returns

This method doesn't return any data.

Example

Subscribe to the "onWorksheetChange" event in a spreadsheet.

// Attach an event in a spreadsheet.

// How to start event handling in a spreadsheet.

let worksheet = Api.GetActiveSheet();
let range = worksheet.GetRange("A1");
range.SetValue("1");
Api.attachEvent("onWorksheetChange", function(range){
    console.log("onWorksheetChange");
    console.log(range.GetAddress());
});