code: func GetPartialReference(scheme *runtime.Scheme, obj runtime.Object, fieldPath string) (*v1.ObjectReference, error) {
  	ref, err := GetReference(scheme, obj)
  	if err != nil {
  		return nil, err
  	}
  	ref.FieldPath = fieldPath
  	return ref, nil
  }
docs: // GetPartialReference is exactly like GetReference, but allows you to set the FieldPath.