[Home](./index.md) > [@snowplow/node-tracker](./node-tracker.md) > [TrackerConfiguration](./node-tracker.trackerconfiguration.md) ## TrackerConfiguration interface Signature: ```typescript interface TrackerConfiguration ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [appId](./node-tracker.trackerconfiguration.appid.md) | string | | | [encodeBase64?](./node-tracker.trackerconfiguration.encodebase64.md) | boolean | (Optional) Whether unstructured events and custom contexts should be base64 encoded. | | [namespace](./node-tracker.trackerconfiguration.namespace.md) | string | |