[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [ExtraParamsMutations](./x-components.extraparamsmutations.md) ## ExtraParamsMutations interface ExtraParams store mutations. **Signature:** ```typescript export interface ExtraParamsMutations ``` ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [setParams](./x-components.extraparamsmutations.setparams.md) | | (params: Dictionary<unknown>) => void | |