View Source GoogleApi.StreetViewPublish.V1.Model.Level (google_api_street_view_publish v0.19.4)
Level information containing level number and its corresponding name.
nil) - Required. A name assigned to this Level, restricted to 3 characters. Consider how the elevator buttons would be labeled for this level if there was an elevator.
nil) - Optional. Floor number, used for ordering. 0 indicates the ground level, 1 indicates the first level above ground level, -1 indicates the first level under ground level. Non-integer values are OK.