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← Trello

New Label Added To Card (Instant) from Trello API

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New Label Added To Card (Instant) from the Trello API
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Getting Started

Trigger a workflow on New Label Added To Card (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 Label Added To Card (Instant) trigger
    1. Connect your Trello account
    2. Select a Board
    3. Optional- Select one or more Lists
    4. Optional- Select one or more Cards
  2. Add steps to connect to + 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

Integrations

Details

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 Label Added To Card (Instant) on Trello
Description:Emits an event for each label added to a card.
Version:0.0.4
Key:trello-new-label-added-to-card

Code

const common = require("../common-webhook.js");
const get = require("lodash/get");

module.exports = {
  ...common,
  key: "trello-new-label-added-to-card",
  name: "New Label Added To Card (Instant)",
  description: "Emits an event for each label added to a card.",
  version: "0.0.4",
  props: {
    ...common.props,
    board: { propDefinition: [common.props.trello, "board"] },
    lists: {
      propDefinition: [
        common.props.trello,
        "lists",
        (c) => ({ board: c.board }),
      ],
    },
    cards: {
      propDefinition: [
        common.props.trello,
        "cards",
        (c) => ({ board: c.board }),
      ],
    },
  },
  methods: {
    ...common.methods,
    isCorrectEventType(event) {
      const eventType = get(event, "body.action.type");
      return eventType === "addLabelToCard";
    },
    async getResult(event) {
      const cardId = get(event, "body.action.data.card.id");
      const labelName = get(event, "body.action.data.label.name");
      const labelColor = get(event, "body.action.data.label.color");
      /** Record labelName & labelColor to use in generateMeta() */
      this.db.set("labelName", labelName);
      this.db.set("labelColor", labelColor);
      return await this.trello.getCard(cardId);
    },
    isRelevant({ result: card, event }) {
      return (
        (!this.board || this.board === card.idBoard) &&
        (!this.lists ||
          this.lists.length === 0 ||
          this.lists.includes(card.idList)) &&
        (!this.cards || this.cards.length === 0 || this.cards.includes(card.id))
      );
    },
    generateMeta({ id, name }) {
      const labelName = this.db.get("labelName");
      const labelColor = this.db.get("labelColor");
      let summary = labelColor;
      summary += labelName ? ` - ${labelName}` : "";
      summary += `; added to ${name}`;
      return {
        id,
        summary,
        ts: Date.now(),
      };
    },
    emitEvent(card, labelName, labelColor) {
      const meta = this.generateMeta(card, labelName, labelColor);
      this.$emit(card, meta);
    },
  },
};

Configuration

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.
LabelPropTypeDescription
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.
Listslistsstring[]Select a value from the drop down menu.
Cardscardsstring[]Select a value from the drop down menu.

Authentication

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:

readwrite

About Trello

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

About Pipedream

Stop writing boilerplate code, struggling with authentication and managing infrastructure. Start connecting APIs with code-level control when you need it — and no code when you don't.

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Manage concurrency and execution rate

Queue up to 10,000 events per workfow and manage the concurrency and rate at which workflows are triggered.

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Large file support enables you to trigger workflows with any data (e.g., large JSON files, images and videos) up to 5 terabytes.

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Return any JSON-serializable response from an HTTP triggered workflow using $respond().

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Use $checkpoint to save state in one workflow invocation and read it the next time your workflow runs.

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Return data from any step to inspect it in a human-friendly way and reference the data in future steps via the steps object.

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