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# useInjectSaga()

    function useInjectSaga(options: {
      key: string;
      saga: Saga;
    }): boolean;

A react hook that dynamically injects a saga when the hook is run

## Parameters​

### options​

#### key​

`string`

The key to inject the saga under

#### saga​

`Saga`

The saga that will be injected

## Returns​

`boolean`

flag indicating whether or not the saga has finished injecting

## See​

SagaInjectionModes for the other possible modes.

## Example​

    function BooksManager() {
     useInjectSaga({ key: "books", saga: booksSaga })

     return null;
    }