{"fields": [{"name": "año", "type": "number", "format": "default", "constraints": {"required": true}, "description": "Año"}, {"name": "mes", "type": "string", "format": "default", "constraints": {"required": true}, "description": "Mes"}, {"name": "estado", "type": "string", "format": "default", "constraints": {"required": true}, "description": "Condición de llegada o salida de vehículos o pasajeros"}, {"name": "lugar", "type": "string", "format": "default", "constraints": {"required": true}, "description": "Terminal de llegada o salida de vehículos o pasajeros"}, {"name": "número_vehículo", "type": "number", "format": "default", "constraints": {"required": true}, "description": "Número de vehículos"}, {"name": "número_pasajero", "type": "number", "format": "default", "constraints": {"required": true}, "description": "Número de Pasajeros"}]}