# detectOcclusions method

void detectOcclusions(

1. Portrait portrait

)

Detects occlusions on the subject's face. Important: This function requires the `FaceOcclusionDetector2A` model to be loaded.

param portrait The portrait. throws FaceException An error has occurred during Face Library execution.

## Implementation

    void detectOcclusions(Portrait portrait) {
      var err = faceSDK.id3FacePortraitProcessor_DetectOcclusions(_pHandle.value, portrait.handle);
      if (err != FaceError.success.value) {
        throw FaceException(err);
      }
    }