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# parameterID

The parameter ID if the requested source is `kFxImageTileRequestSourceParameter.`

```
var parameterID: UInt32 { get }
```

## Discussion

If the `requestSource` is `kFxImageTileRequestSourceParameter`, then this parameter holds the `parameterID`, otherwise this parameter is ignored.

Set to `0` for effect source, otherwise the ID of the image parameter for the requested frame.` `

---

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