[Home](./index.md) > [@snowplow/node-tracker](./node-tracker.md) > [TrackerCore](./node-tracker.trackercore.md) > [setBase64Encoding](./node-tracker.trackercore.setbase64encoding.md) ## TrackerCore.setBase64Encoding() method Turn base 64 encoding on or off Signature: ```typescript setBase64Encoding(encode: boolean): void; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | encode | boolean | Whether to encode payload | Returns: void