---
sidebar_label: Frame.isOOPFrame
# Frame.isOOPFrame() method
> Warning: This API is now obsolete.
>
> Generally, there should be no difference between local and out-of-process frames from the Puppeteer API perspective. This is an implementation detail that should not have been exposed.
Is `true` if the frame is an out-of-process (OOP) frame. Otherwise, `false`.
#### Signature:
```typescript
class Frame {
abstract isOOPFrame(): boolean;
}
```
**Returns:**
boolean
