--- title: AppSync Data Source description: Datadog, the leading service for cloud-scale monitoring. breadcrumbs: Docs > DDSQL Reference > Data Directory > AppSync Data Source --- # AppSync Data Source An AppSync Data Source in AWS represents the backend system that an AppSync GraphQL API connects to for retrieving or modifying data. It can link to services such as DynamoDB, Lambda, RDS, OpenSearch, or HTTP endpoints. Each data source defines how AppSync should interact with the underlying service, enabling flexible and secure integration of multiple backends into a single GraphQL API. ``` aws.appsync_data_source ``` ## Fields | Title | ID | Type | Data Type | Description | | -------------------------- | ---- | ---------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------- | | _key | core | string | | account_id | core | string | | data_source_arn | core | string | The data source Amazon Resource Name (ARN). | | description | core | string | The description of the data source. | | dynamodb_config | core | json | DynamoDB settings. | | elasticsearch_config | core | json | Amazon OpenSearch Service settings. | | event_bridge_config | core | json | Amazon EventBridge settings. | | http_config | core | json | HTTP endpoint settings. | | lambda_config | core | json | Lambda settings. | | metrics_config | core | string | Enables or disables enhanced data source metrics for specified data sources. Note that metricsConfig won't be used unless the dataSourceLevelMetricsBehavior value is set to PER_DATA_SOURCE_METRICS. If the dataSourceLevelMetricsBehavior is set to FULL_REQUEST_DATA_SOURCE_METRICS instead, metricsConfig will be ignored. However, you can still set its value. metricsConfig can be ENABLED or DISABLED. | | name | core | string | The name of the data source. | | open_search_service_config | core | json | Amazon OpenSearch Service settings. | | relational_database_config | core | json | Relational database settings. | | service_role_arn | core | string | The Identity and Access Management (IAM) service role Amazon Resource Name (ARN) for the data source. The system assumes this role when accessing the data source. | | tags | core | hstore_csv | | type | core | string | The type of the data source. AWS_LAMBDA: The data source is an Lambda function. AMAZON_DYNAMODB: The data source is an Amazon DynamoDB table. AMAZON_ELASTICSEARCH: The data source is an Amazon OpenSearch Service domain. AMAZON_OPENSEARCH_SERVICE: The data source is an Amazon OpenSearch Service domain. AMAZON_EVENTBRIDGE: The data source is an Amazon EventBridge configuration. AMAZON_BEDROCK_RUNTIME: The data source is the Amazon Bedrock runtime. NONE: There is no data source. Use this type when you want to invoke a GraphQL operation without connecting to a data source, such as when you're performing data transformation with resolvers or invoking a subscription from a mutation. HTTP: The data source is an HTTP endpoint. RELATIONAL_DATABASE: The data source is a relational database. |