[Home](./index.md) > [@firebase/database](./database.md) > [ThenableReference](./database.thenablereference.md) ## ThenableReference interface A `Promise` that can also act as a `Reference` when returned by [push()](./database.push.md). The reference is available immediately and the Promise resolves as the write to the backend completes. Signature: ```typescript export declare interface ThenableReference extends Reference, Pick, 'then' | 'catch'> ``` Extends: [Reference](./database.reference.md), Pick<Promise<[Reference](./database.reference.md)>, 'then' \| 'catch'>