[Home](./index.md) > [@firebase/firestore](./firestore.md) > [/](./firestore_.md) > [LoadBundleTask](./firestore_.loadbundletask.md) ## LoadBundleTask class Represents the task of loading a Firestore bundle. It provides progress of bundle loading, as well as task completion and error events. The API is compatible with `Promise`. Signature: ```typescript export declare class LoadBundleTask implements PromiseLike ``` Implements: PromiseLike<[LoadBundleTaskProgress](./firestore_.loadbundletaskprogress.md)> ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [catch(onRejected)](./firestore_.loadbundletask.catch.md) | | Implements the Promise<LoadBundleTaskProgress>.catch interface. | | [onProgress(next, error, complete)](./firestore_.loadbundletask.onprogress.md) | | Registers functions to listen to bundle loading progress events. | | [then(onFulfilled, onRejected)](./firestore_.loadbundletask.then.md) | | Implements the Promise<LoadBundleTaskProgress>.then interface. |