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---
id: invalidations-from-mutations
title: Invalidations from Mutations
ref: docs/framework/react/guides/invalidations-from-mutations.md
replace: { 'useMutation': 'injectMutation', 'hook': 'function' }
---
[//]: # 'Example'
```ts
mutation = injectMutation(() => ({
mutationFn: postTodo,
}))
```
[//]: # 'Example'
[//]: # 'Example2'
```ts
import {
injectMutation,
QueryClient,
} from '@tanstack/angular-query-experimental'
export class TodosComponent {
queryClient = inject(QueryClient)
// When this mutation succeeds, invalidate any queries with the `todos` or `reminders` query key
mutation = injectMutation(() => ({
mutationFn: addTodo,
onSuccess: () => {
this.queryClient.invalidateQueries({ queryKey: ['todos'] })
this.queryClient.invalidateQueries({ queryKey: ['reminders'] })
},
}))
}
```
[//]: # 'Example2'
You can wire up your invalidations to happen using any of the callbacks available in the [`injectMutation` function](../mutations.md)
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