Cron expression
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/apache-airflow/refs/heads/main/json-schema/openapi.yaml-cron-expression-schema.json", "title": "CronExpression", "description": "Cron expression", "type": "object", "properties": { "__type": { "type": "string" }, "value": { "type": "string" } }, "required": [ "__type", "value" ] }