[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [GettersTree](./x-components.getterstree.md) ## GettersTree type Type safe getters definition type. An object with this type is what it is needed to define [Vuex](https://vuex.vuejs.org/) getters. **Signature:** ```typescript export type GettersTree = { [Key in keyof Getters]: (state: State, getters: Getters, rootState: RootXStoreState, rootGetters: any) => Getters[Key]; }; ``` **References:** [RootXStoreState](./x-components.rootxstorestate.md)