---
title: "startForwardAnalysis(_:ofParameter:)"
framework: Professional Video Applications
role: symbol
role_heading: Instance Method
platforms: [fxplug 4.2.2+]
path: "professional_video_applications/fxanalysisapi_v2/startforwardanalysis(_:ofparameter:)"
---

# startForwardAnalysis(_:ofParameter:)

Requests that the application begin a forward analysis of an image parameter from start to end.

## Declaration

```swift
func startForwardAnalysis(_ location: FxAnalysisLocation, ofParameter parameterID: UInt32) throws
```

## Parameters

- `location`: FxAnalysisLocation type to choose to do analysis on either GPU or CPU.
- `parameterID`: The ID of the image parameter to analyze.

## See Also

### Analyzing Input from an Image Well

- [startBackwardAnalysis(_:ofParameter:)](professional_video_applications/fxanalysisapi_v2/startbackwardanalysis(_:ofparameter:).md)