--- schema_version: "1" id: 58c874cfd5a2ac57e81dd73fe3df24ba11d7f9f53da6cd6ded3d0dc61a8e17c1 title: External Data Source Callout Event Type collection: legacydeveloper version: current locale: en-us portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/object_reference/sforce_api_objects_eventlogfile_externaldatasourcecallout.md canonical_url: https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta/object_reference/sforce_api_objects_eventlogfile_externaldatasourcecallout.htm source_site: developer.salesforce.com content_type: documentation content_hash: 85c2120b836f70b29c9cd7e86c3c6ce2f144676d3227c840dbad36b1f8bc6a0f description: External Data Source Callout events represent external data callouts via the Salesforce Connect adapters for Amazon DynamoDB and Amazon Athena. This event type is available in the EventLogFile object in API version 56.0 and later. --- # External Data Source Callout Event Type External Data Source Callout events represent external data callouts via the Salesforce Connect adapters for Amazon DynamoDB and Amazon Athena. This event type is available in the EventLogFile object in API version 56.0 and later. For details about event monitoring, see the [Trailhead Event Monitoring module](https://trailhead.salesforce.com/en/modules/event_monitoring/units/event_monitoring_intro "HTML (New Window)") or [REST API Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.264.0.api_rest.meta/api_rest/using_resources_event_log_files.htm "HTML (New Window)"). ## Fields | Field | Details | | --- | --- | | ACTION | Type String Description Action performed by the callout. Possible Values For Amazon DynamoDB data source: - query - insert - delete - update - upsert For Amazon Athena data source: - query | | DATA\_SOURCE\_NAME | Type String Description Name of the external data source being accessed. | | EVENT\_TYPE | Type String Description Type of event. Value is always ExternalDataSourceCallout. | | EXTERNAL\_OBJECT | Type String Description Name of the external object being accessed. | | FETCH\_MS | Type Number Description How long it took (in milliseconds) to retrieve the query results from the external data source. Example 127 | | FILTER | Type Text Description Field expressions to filter which rows to return. Corresponds to WHERE in queries. | | LIMIT | Type Number Description Maximum number of rows to return for a query. Corresponds to [Limit parameter in ExecuteStatement operation](https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_ExecuteStatement.html) for an Amazon DynamoDB data source. | | MESSAGE | Type String Description Error or warning message associated with the failed call. | | NEXT\_LINK | Type String Description Next link that the callout used to request a subsequent page of rows. A next link is provided in a previous response when the response includes only part of the result set. For requests to AWS data sources, this field stores the nextToken parameter that contains a unique hash string. | | OFFSET | Type Number Description Number of rows to skip when paging through a result set. Corresponds to OFFSET in queries to Amazon Athena. This field is not supported by queries to Amazon DynamoDB. | | OPERATION | Type String Description The operation that’s being performed. | | ORDERBY | Type String Description Field or column to use for sorting query results, and whether to sort the results in ascending (default) or descending order. Corresponds to ORDER BY in queries. Example - Country ASC - CustomerName DESC | | ORGANIZATION\_ID | Type Id Description 15-character ID of the organization. Example 00D000000000123 | | PARENT\_CALLOUT | Type String Description If the callout requested a subsequent page of rows, this field identifies the initial callout whose request resulted in the multi-page result set. Example 4EoZtuBzzRIXSk-ysRdf1F-1 | | PROVIDER\_TYPE | Type String Description Whether the callout was made by Salesforce Connect adapter for Amazon DynamoDB or Amazon Athena. Possible Values - amazonDynamodb - amazonAthena | | REQUEST\_ID | Type String Description Unique ID of a transaction. A transaction can contain one or more events. All events in a transaction have the same REQUEST\_ID. Example 4A13-HSKv3CKs-0FKfceaV | | RESPONSE\_SIZE | Type Number Description The size of the callout response, in bytes. | | ROWS\_FETCHED | Type Number Description Number of records fetched by the callout. The records fetched by a callout can be a subset of a large result set. Example 200 | | SEARCH | Type String Description Search query string. | | SELECT | Type String Description Comma-separated list of fields being queried. Corresponds to SELECT in queries. To query, Salesforce Connect adapter uses PartiQL with Amazon DynamoDB and SQL with Amazon Athena. Example CustomerID,OrderDate,OrderID,ShipCity,ShipCountry | | STATUS | Type Boolean Description Whether the query was successful. Possible Values - 1—Success - 0—Failed | | STATUS\_CODE | Type Number Description The HTTP response status code for the request. | | TABLE\_NAME | Type String Description Name of the table being queried in the AWS data source. | | THROUGHPUT | Type Number Description Number of records retrieved in one second. Example 3025.67 | | TIMESTAMP | Type DateTime Description The access time of Salesforce services in GMT. For example: 20130715233322.670. | | TIMESTAMP\_DERIVED | Type DateTime Description The access time of Salesforce services in ISO8601-compatible format (YYYY-MM-DDTHH:MM:SS.sssZ). For example: 2015-07-27T11:32:59.555Z. Timezone is GMT. | | TOTAL\_MS | Type Number Description How long it took (in milliseconds) to prepare and execute the query and to retrieve the query results. | | USER\_ID | Type Id Description 15-character ID of the user accessing the external data source. Example 00530000009M943 |