{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/amazon-dynamodb/json-schema/amazon-dynamodb-update-cluster-request-schema.json",
  "title": "UpdateClusterRequest",
  "x-generated": "2026-11-11",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/amazon-dynamodb-cluster-api-openapi.yml#/components/schemas/UpdateClusterRequest",
  "type": "object",
  "properties": {
    "ClusterName": {
      "type": "string",
      "description": "The name of the DAX cluster to be modified."
    },
    "Description": {
      "type": "string",
      "description": "A description of the changes being made to the cluster."
    },
    "PreferredMaintenanceWindow": {
      "type": "string",
      "description": "A range of time when maintenance of DAX cluster software will be performed. For example: sun:01:00-sun:09:00. Cluster maintenance normally takes less than 30 minutes, and is performed automatically within the maintenance window."
    },
    "NotificationTopicArn": {
      "type": "string",
      "description": "The Amazon Resource Name (ARN) that identifies the topic."
    },
    "NotificationTopicStatus": {
      "type": "string",
      "description": "The current state of the topic. A value of “active” means that notifications will be sent to the topic. A value of “inactive” means that notifications will not be sent to the topic."
    },
    "ParameterGroupName": {
      "type": "string",
      "description": "The name of a parameter group for this cluster."
    },
    "SecurityGroupIds": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "A list of user-specified security group IDs to be assigned to each node in the DAX cluster. If this parameter is not specified, DAX assigns the default VPC security group to each node."
    }
  },
  "required": [
    "ClusterName"
  ]
}