# Configure a Custom SOAP Header

The connector uses a default SOAP header for normal operations. However, if your system requires a custom SOAP configuration, you can configure one using the `customSoapActionHeader` parameter.

To configure a custom SOAP header, add the following to the source configuration using SailPoint's REST API:

> [!NOTE]
>
> For more information on SailPoint's REST APIs, refer to [Best Practices: REST API Authentication](<https://developer.sailpoint.com/docs/api/authentication/>) and [REST API - Update Source (Partial)](<https://developer.sailpoint.com/docs/api/update-source-v-1/>) in the SailPoint Developer Community.

```json
"customSoapActionHeader": {
    "testConnection" : "<Value>",
    "accountAggregation": "<Value>",
    "getObject" : "<Value>",
    "updateUserID": "<Value>"
}
```