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