Gets all campaign types.Gets all campaign types.Responses200A collection of campaign types.Schema — OPTIONALResource object[] — OPTIONALThe resource on which the action was taken.Id int32 — OPTIONALName string — OPTIONALMessage string — OPTIONALA status message for the action taken.Details string[] — OPTIONALAny validation messages for the data on the current action.