VolumeGroupSnapshotScheduleResponse

Name	Description	Schema	Default
day_of_week optional	요일 Example : `SUN`	enum (SUN, MON, TUE, WED, THU, FRI, SAT)
frequency optional	주기 DAILY	WEEKLY	NONE Example : `DAILY`
hour optional	시간 Example : `18`	integer
volume_group_id optional	볼륨 그룹 id Example : `c9ecae8b973b425c81c3817893cd8063`	string