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New Attachment (Instant) from Trello API

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New Attachment (Instant) from the Trello API
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Getting Started

Trigger a workflow on New Attachment (Instant) with Trello API. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Configure the New Attachment (Instant) trigger
    1. Connect your Trello account
    2. Select a Board
  2. Add steps to connect to 800+ APIs using code and no-code building blocks
  3. Deploy the workflow
  4. Send a test event to validate your setup
  5. Turn on the trigger


This is a pre-built, open source 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.

New Attachment (Instant) on Trello
Description:Emit new event for new attachment on a board.


import common from "../common-webhook.mjs";

export default {
  key: "trello-new-attachment",
  name: "New Attachment (Instant)",
  description: "Emit new event for new attachment on a board.",
  version: "0.0.5",
  type: "source",
  props: {
    board: {
      propDefinition: [
  hooks: {
    async deploy() {
      const {
        sampleEvents, sortField,
      } = await this.getSampleEvents();
      sampleEvents.sort((a, b) => (Date.parse(a[sortField]) > Date.parse(b[sortField]))
        ? 1
        : -1);
      for (const action of sampleEvents.slice(-25)) {
        this.$emit(action, {
          id: action.id,
          summary: action?.data?.attachment?.name,
          ts: Date.parse(action.date),
  methods: {
    async getSampleEvents() {
      const actions = await this.trello.getBoardActivity(this.board, "addAttachmentToCard");
      return {
        sampleEvents: actions,
        sortField: "date",
    isCorrectEventType(event) {
      const eventType = event.body?.action?.type;
      return eventType === "addAttachmentToCard";
    async getResult(event) {
      const cardId = event.body?.action?.data?.card?.id;
      const attachmentId = event.body?.action?.data?.attachment?.id;
      return this.trello.getAttachment(cardId, attachmentId);
    isRelevant({ event }) {
      const boardId = event.body?.action?.data?.board?.id;
      return !this.board || this.board === boardId;


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.
TrellotrelloappThis component uses the Trello app.
N/Adb$.service.dbThis component uses $.service.db to maintain state between component invocations.
N/Ahttp$.interface.httpThis component uses $.interface.http to generate a unique URL when the component is first instantiated. Each request to the URL will trigger the run() method of the component.
BoardboardstringSelect a value from the drop down menu.


Trello uses OAuth authentication. When you connect your Trello account, Pipedream will open a popup window where you can sign into Trello and grant Pipedream permission to connect to your account. Pipedream securely stores and automatically refreshes the OAuth tokens so you can easily authenticate any Trello API.

Pipedream requests the following authorization scopes when you connect your account:


About Trello

Trello keeps track of everything, from the big picture to the minute details