[Home](./index.md) > [@firebase/app](./app.md) > [FirebaseApp](./app.firebaseapp.md) ## FirebaseApp interface A FirebaseApp holds the initialization information for a collection of services. Do not call this constructor directly. Instead, use [initializeApp()](./app.initializeapp.md) to create an app. Signature: ```typescript export interface FirebaseApp ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [automaticDataCollectionEnabled](./app.firebaseapp.automaticdatacollectionenabled.md) | boolean | The settable config flag for GDPR opt-in/opt-out | | [name](./app.firebaseapp.name.md) | string | The (read-only) name for this app.The default app's name is "[DEFAULT]". | | [options](./app.firebaseapp.options.md) | [FirebaseOptions](./app.firebaseoptions.md) | The (read-only) configuration options for this app. These are the original parameters given in [initializeApp()](./app.initializeapp.md). |