[Home](./index.md) > [@firebase/firestore](./firestore.md) > [/](./firestore_.md) > [TaskState](./firestore_.taskstate.md) ## TaskState type Represents the state of bundle loading tasks. Both 'Error' and 'Success' are sinking state: task will abort or complete and there will be no more updates after they are reported. Signature: ```typescript export declare type TaskState = 'Error' | 'Running' | 'Success'; ```