---
title: FileReadableStreamBuilder
slug: data-platform/connect-platform/app-sdk-api-reference-types-filereadablestreambuilder
createdAt: 2026-08-05T20:06:34.632Z
---

[OCP App SDK](docId\:gxEU_0AA37IEZJK-uoVcT)

***

[OCP App SDK](docId\:gxEU_0AA37IEZJK-uoVcT) / FileReadableStreamBuilder

# Type Alias: FileReadableStreamBuilder()

:::BlockQuote
**FileReadableStreamBuilder** = () => `Promise`\<`NodeJS.ReadableStream`>
:::

Defined in: [src/util/FileStream.ts:23](https://github.com/ZaiusInc/app-sdk/blob/8c7209817facb226c91abb960e6d54a7692b9aa2/src/util/FileStream.ts#L23)

Builds source streams for the FileStream to process.

## Returns

`Promise`\<`NodeJS.ReadableStream`>