{"type": "object", "properties": {"AVAILABLE_START_INTERVAL": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "The first Dispatch Interval the unit is available."}, "CONTRACT_ID": {"type": "string", "description": "Unique Contract Identifier"}, "DUID": {"type": "string", "examples": ["W/HOE#2"], "description": "Dispatchable Unit Identifier\nWARNING: This column may contain funny characters such as / (slash) or # (hash). This may break hive-style partitioning.\n"}, "AVAILABLE_END_INTERVAL": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "The last Dispatch Interval the unit is available."}, "LASTCHANGED": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Last time record was changed."}, "TNSP_PARTICIPANTID": {"type": "string", "description": "TNSP Participant ID"}}, "required": ["AVAILABLE_START_INTERVAL", "CONTRACT_ID", "DUID"], "description": "Scheduled SSM availability"}