[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [UrlMutations](./x-components.urlmutations.md) > [setInitialExtraParams](./x-components.urlmutations.setinitialextraparams.md) ## UrlMutations.setInitialExtraParams() method Sets the initial extra params. **Signature:** ```typescript setInitialExtraParams(extraParams: Dictionary): void; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | extraParams | Dictionary<unknown> | The new initial extra params. | **Returns:** void