func (a *AlertGraphDefinition) GetVizTypeOk() (string, bool) {
	if a == nil || a.VizType == nil {
		return "", false
	}
	return *a.VizType, true
}
func (a *AlertGraphDefinition) GetVizTypeOk() (string, bool) {
	if a == nil || a.VizType == nil {
		return "", false
	}
	return *a.VizType, true
}
// 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.