The `Installations` service for the current app.

**Signature:**

    export declare class Installations 

## Properties

| Property | Modifiers | Type | Description |
|---|---|---|---|
| [app](https://firebase.google.com/docs/reference/admin/node/firebase-admin.installations.installations#installationsapp) |   | App | Returns the app associated with this Installations instance. |

## Methods

| Method | Modifiers | Description |
|---|---|---|
| [deleteInstallation(fid)](https://firebase.google.com/docs/reference/admin/node/firebase-admin.installations.installations#installationsdeleteinstallation) |   | Deletes the specified installation ID and the associated data from Firebase. |

## Installations.app

Returns the app associated with this Installations instance.

**Signature:**

    get app(): App;

## Installations.deleteInstallation()

Deletes the specified installation ID and the associated data from Firebase.

**Signature:**

    deleteInstallation(fid: string): Promise<void>;

### Parameters

| Parameter | Type | Description |
|---|---|---|
| fid | string | The Firebase installation ID to be deleted. |

**Returns:**

Promise\<void\>

A promise fulfilled when the installation ID is deleted.