# setUnderExposureThreshold method

void setUnderExposureThreshold(

1. int underExposureThreshold

)

Sets the under exposure threshold. Above this threshold, the face is probably under-exposed. Hint: Default value is 50.

param underExposureThreshold Under exposure threshold. throws FaceException An error has occurred during Face Library execution.

## Implementation

    void setUnderExposureThreshold(int underExposureThreshold) {
      var err = faceSDK.id3FacePortraitProcessor_SetUnderExposureThreshold(_pHandle.value, underExposureThreshold);
      if (err != FaceError.success.value) {
        throw FaceException(err);
      }
    }