{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "CreateExtractRequest",
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "begin": {
      "type": "string",
      "description": "Begin position (NOW, SCN value, or timestamp)"
    },
    "trail": {
      "type": "string",
      "description": "Trail file prefix (e.g., aa)"
    },
    "trailSize": {
      "type": "integer",
      "description": "Trail file size in MB (default 500)"
    },
    "config": {
      "type": "array",
      "description": "Parameter file content"
    },
    "registration": {
      "type": "string"
    },
    "credentials": {
      "type": "object"
    }
  }
}