{ "type": "UniLabJsonCommand", "goal": { "station_id": "station_id", "material_number": "material_number" }, "schema": { "type": "object", "properties": { "station_id": { "type": "integer" }, "material_number": { "type": "integer" } }, "required": [ "station_id", "material_number" ] }, "goal_default": {}, "placeholder_keys": {} }