code: func (w *Widget) GetVizTypeOk() (string, bool) {
  	if w == nil || w.VizType == nil {
  		return "", false
  	}
  	return *w.VizType, true
  }
docs: // GetVizTypeOk returns a tuple with the VizType field if it's non-nil, zero value otherwise
  // and a boolean to check if the value has been set.