{
  "type": "object",
  "required": [],
  "properties": {
    "iterations": {
      "description": "Custom iterations for 'create_iteration_field' method. Only set this when you need iterations with varying durations, breaks between them, or specific titles. Otherwise omit it: GitHub auto-creates three iterations of 'iteration_duration' days starting on 'start_date', which is the right choice for most cases.",
      "items": {
        "additionalProperties": false,
        "properties": {
          "duration": {
            "description": "Duration in days",
            "type": "number"
          },
          "start_date": {
            "description": "Start date in YYYY-MM-DD format",
            "type": "string"
          },
          "title": {
            "description": "Iteration title (e.g. 'Sprint 1')",
            "type": "string"
          }
        },
        "required": [
          "title",
          "start_date",
          "duration"
        ],
        "type": "object"
      },
      "type": "array"
    },
    "updated_field": {
      "description": "The field/value to apply, using {\"id\": 123, \"value\": ...} or {\"name\": \"Status\", \"value\": ...}; null clears the field. Required for 'update_project_item' and 'update_project_items', where one top-level field/value applies to every item in a batch. For 'update_project_item' SINGLE_SELECT fields, the name form accepts option names; the ID form expects an option ID.",
      "oneOf": [
        {
          "additionalProperties": false,
          "properties": {
            "id": {
              "description": "The numeric project field ID.",
              "type": "integer"
            },
            "value": {
              "description": "The value to apply. Any JSON value is accepted; use null to clear the field."
            }
          },
          "required": [
            "id",
            "value"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "properties": {
            "name": {
              "description": "The project field name. Matching is case-insensitive.",
              "type": "string"
            },
            "value": {
              "description": "The value to apply. Any JSON value is accepted; use null to clear the field."
            }
          },
          "required": [
            "name",
            "value"
          ],
          "type": "object"
        }
      ],
      "type": "object"
    }
  }
}