Webflow Designer API: Set Custom Attribute

`element.setCustomAttribute(name, value)`

Set a custom HTML attribute for an element.

Syntax

1 element.setCustomAttribute(name: string, value: string): Promise<null>

Parameters

name : String - The name of the custom attribute.
value : String - The value of the custom attribute

The value of the named custom attribute.

Returns

Promise<null>

A promise that resolves to null

Example

1 // Get Selected Element
2 const selectedElement = await webflow.getSelectedElement()
3 
4 if (selectedElement?.customAttributes) {
5 
6   // Set Custom Attribute
7   await selectedElement.setCustomAttribute("tooltip", "my tooltip value")
8 
9 }

Designer Ability

Designer Ability	Locale	Branch	Workflow	Sitemode
canDesign	Primary	Main	Canvas	Design

1	// Get Selected Element
2	const selectedElement = await webflow.getSelectedElement()
3
4	if (selectedElement?.customAttributes) {
5
6	// Set Custom Attribute
7	await selectedElement.setCustomAttribute("tooltip", "my tooltip value")
8
9	}