1---
2category: '@RxJS'
3---
4 
5# useSubscription
6 
7Use an RxJS [`Subscription`](https://rxjs.dev/guide/subscription) without worrying about unsubscribing from it or creating memory leaks.
8 
9## Usage
10 
11<!-- TODO: import rxjs error if enable twoslash -->
12 
13```ts no-twoslash
14import { useSubscription } from '@vueuse/rxjs'
15import { interval } from 'rxjs'
16 
17const count = ref(0)
18 
19// useSubscription call unsubscribe method before unmount the component
20useSubscription(
21  interval(1000)
22    .subscribe(() => {
23      count.value++
24      console.log(count)
25    }),
26)
27```
28 
29## Type Declarations
30 
31```ts
32export declare function useSubscription(subscription: Unsubscribable): void
33```
34