api-docs/docs/node-tracker/markdown/node-tracker.buildformfocusorchange.md
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## buildFormFocusOrChange() function
Build a Form Focus or Change Form Event based on schema property When a user focuses on a form element or when a user makes a change to a form element.
<b>Signature:</b>
```typescript
declare function buildFormFocusOrChange(event: FormFocusOrChangeEvent): PayloadBuilder;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| event | FormFocusOrChangeEvent | Contains the properties for the Form Focus or Change Form event |
<b>Returns:</b>
PayloadBuilder
PayloadBuilder to be sent to