{"type": "object", "properties": {"INSTRUCTIONTYPEID": {"type": "string", "examples": ["AS_FC", "AS_LS", "AS_RGUL", "AS_RGUU", "AS_RP", "GENERAL", "NC", "RTC", "SD"], "description": "Dispatch instruction type for example FCAS service."}, "DESCRIPTION": {"type": "string", "examples": ["Ancillary Services Frequency Control", "Ancillary Services Load Shedding", "Ancillary Services Rapid Generator Unit Loading", "Ancillary Services Rapid Generator Unit Unloading", "Ancillary Services Reactive Power", "General", "Non-Conform", "Reserve Trader Contracts", "Security/Direction"], "description": "Description of instruction type"}, "LASTCHANGED": {"type": "string", "examples": ["1999/04/20 14:56:06"], "format": "date-time", "description": "Last date and time record changed"}, "REGIONID": {"type": "string", "enum": ["QLD1", "VIC1", "TAS1", "NSW1", "SA1", "SNOWY1"], "description": "Region id if regional instruction only."}}, "required": ["INSTRUCTIONTYPEID"], "description": "Dispatch instruction (GD instruct) has types and subtypes. INSTRUCTIONTYPE, together with INSTRUCTIONSUBTYPE, sets out valid instruction types.\nINSTRUCTIONTYPE data is public to all participants.\n\nSource\n\nINSTRUCTIONTYPE shows ad hoc updates to market configuration."}