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Download File To /tmp with Helper Functions API

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Download File To /tmp with the Helper Functions API
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Getting Started

Create a workflow to Download File To /tmp with the Helper Functions API. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Configure the Download File To /tmp action
    1. Connect your Helper Functions account
    2. Configure Download File URL
    3. Configure Target Filename
  2. Select a trigger to run your workflow on HTTP requests, schedules or app events
  3. Deploy the workflow
  4. Send a test event to validate your setup
  5. Turn on the trigger


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This is a pre-built, source-available component from Pipedream's GitHub repo. The component is developed by Pipedream and the community, and verified and maintained by Pipedream.

To contribute an update to an existing component or create a new component, create a PR on GitHub. If you're new to Pipedream component development, you can start with quickstarts for trigger span and action development, and then review the component API reference.

Download File To /tmp on Helper Functions
Description:Downloads a file to [your workflow's /tmp directory](https://pipedream.com/docs/code/nodejs/working-with-files/#the-tmp-directory)


import helper_functions from "../../helper_functions.app.mjs";
import { axios } from "@pipedream/platform";
import fs from "fs";

export default {
  key: "helper_functions-download-file-to-tmp",
  name: "Download File To /tmp",
  description: "Downloads a file to [your workflow's /tmp directory](https://pipedream.com/docs/code/nodejs/working-with-files/#the-tmp-directory)",
  version: "0.3.0",
  type: "action",
  props: {
    url: {
      type: "string",
      label: "Download File URL",
      description: "Enter the URL of the file to download",
    filename: {
      type: "string",
      label: "Target Filename",
      description: "The filename that will be used to save in /tmp",
  async run({ $ }) {
    const {
      url, filename,
    } = this;

    const resp = await axios($, {
      responseType: "arraybuffer",

     * Saves file to /tmp folder and exports file's file name and file path,
    const rawcontent = resp.toString("base64");
    const buffer = Buffer.from(rawcontent, "base64");
    const downloadedFilepath = `/tmp/${filename}`;
    fs.writeFileSync(downloadedFilepath, buffer);

    const filedata = [

    return filedata;


This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI and CLI.
Helper Functionshelper_functionsappThis component uses the Helper Functions app.
Download File URLurlstring

Enter the URL of the file to download

Target Filenamefilenamestring

The filename that will be used to save in /tmp


The Helper Functions API does not require authentication.

About Helper Functions

Helper functions and functional utilities to use within your Pipedream workflows

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