[Home](./index.md) > [@firebase/installations](./installations.md) > [getInstallations](./installations.getinstallations.md) ## getInstallations() function Returns an instance of FirebaseInstallations associated with the given FirebaseApp instance. Signature: ```typescript export declare function getInstallations(app?: FirebaseApp): FirebaseInstallations; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | app | [FirebaseApp](./app.firebaseapp.md) | The FirebaseApp instance. | Returns: [FirebaseInstallations](./installations.firebaseinstallations.md)