func (e *Event) GetAggregation() string {
	if e == nil || e.Aggregation == nil {
		return ""
	}
	return *e.Aggregation
}
func (e *Event) GetAggregation() string {
	if e == nil || e.Aggregation == nil {
		return ""
	}
	return *e.Aggregation
}
// GetAggregation returns the Aggregation field if non-nil, zero value otherwise.