← Trello + Slack integrations

Send Message to a Public Channel with Slack APIon New Label (Instant) from Trello API

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Trigger workflow on
New Label (Instant) from the Trello API
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Send Message to a Public Channel with the Slack API
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Trusted by 200,000+ developers from startups to Fortune 500 companies

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Getting Started

This integration creates a workflow with a Trello trigger and Slack action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Select this integration
  2. Configure the New Label (Instant) trigger
    1. Connect your Trello account
    2. Select a Board
  3. Configure the Send Message to a Public Channel action
    1. Connect your Slack account
    2. Select a Channel
    3. Configure Text
    4. Optional- Configure Send as User
    5. Optional- Configure Bot Username
    6. Optional- Configure Icon (emoji)
    7. Optional- Configure Icon (image URL)
  4. Deploy the workflow
  5. Send a test event to validate your setup
  6. Turn on the trigger

Details

This integration uses pre-built, open source components from Pipedream's GitHub repo. These components are 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.

Trigger

Description:Emits an event for each new label added to a board.
Version:0.0.4
Key:trello-new-label

Trigger Code

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

module.exports = {
  ...common,
  key: "trello-new-label",
  name: "New Label (Instant)",
  description: "Emits an event for each new label added to a board.",
  version: "0.0.4",
  dedupe: "unique",
  methods: {
    ...common.methods,
    isCorrectEventType(event) {
      const eventType = get(event, "body.action.type");
      return eventType === "createLabel";
    },
    async getResult(event) {
      const labelId = get(event, "body.action.data.label.id");
      return await this.trello.getLabel(labelId);
    },
    generateMeta({ id, name, color: summary }) {
      summary += name ? ` - ${name}` : "";
      return {
        id,
        summary,
        ts: Date.now(),
      };
    },
  },
};

Trigger 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.

Trigger 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

Action

Description:Send a message to a public channel and customize the name and avatar of the bot that posts the message
Version:0.1.0
Key:slack-send-message-public-channel

Action Code

const slack = require("../../slack.app.js");

module.exports = {
  key: "slack-send-message-public-channel",
  name: "Send Message to a Public Channel",
  description: "Send a message to a public channel and customize the name and avatar of the bot that posts the message",
  version: "0.1.0",
  type: "action",
  props: {
    slack,
    conversation: {
      propDefinition: [
        slack,
        "publicChannel",
      ],
    },
    text: {
      propDefinition: [
        slack,
        "text",
      ],
    },
    as_user: {
      propDefinition: [
        slack,
        "as_user",
      ],
    },
    username: {
      propDefinition: [
        slack,
        "username",
      ],
      description: "Optionally customize your bot's username (default is `Pipedream`).",
    },
    icon_emoji: {
      propDefinition: [
        slack,
        "icon_emoji",
      ],
      description: "Optionally use an emoji as the bot icon for this message (e.g., `:fire:`). This value overrides `icon_url` if both are provided.",
    },
    icon_url: {
      propDefinition: [
        slack,
        "icon_url",
      ],
      description: "Optionally provide an image URL to use as the bot icon for this message.",
    },
  },
  async run() {
    return await this.slack.sdk().chat.postMessage({
      channel: this.conversation,
      text: this.text,
      as_user: this.as_user,
      username: this.username,
      icon_emoji: this.icon_emoji,
      icon_url: this.icon_url,
    });
  },
};

Action Configuration

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI.

LabelPropTypeDescription
SlackslackappThis component uses the Slack app.
ChannelconversationstringSelect a value from the drop down menu.
Texttextstring

Text of the message to send (see Slack's formatting docs). This field is usually required, unless you're providing only attachments instead. Provide no more than 40,000 characters or risk truncation.

Send as Useras_userboolean

Optionally pass TRUE to post the message as the authed user, instead of as a bot. Defaults to FALSE.

Bot Usernameusernamestring

Optionally customize your bot's username (default is Pipedream).

Icon (emoji)icon_emojistring

Optionally use an emoji as the bot icon for this message (e.g., :fire:). This value overrides icon_url if both are provided.

Icon (image URL)icon_urlstring

Optionally provide an image URL to use as the bot icon for this message.

Action Authentication

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

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

calls:readcalls:writechannels:historychannels:readchannels:writednd:readdnd:writeemoji:readfiles:readgroups:historygroups:readgroups:writeim:historyim:readim:writelinks:readlinks:writempim:historympim:readmpim:writepins:readpins:writereactions:readreactions:writereminders:readreminders:writeremote_files:readremote_files:sharestars:readstars:writeteam:readusergroups:readusergroups:writeusers:readusers:read.emailusers:writechat:write:botchat:write:usercommandsfiles:write:userusers.profile:writeusers.profile:read

About Slack

Slack is a channel-based messaging platform. With Slack, people can work together more effectively, connect all their software tools and services, and find the information they need to do their best work — all within a secure, enterprise-grade environment.

More Ways to Connect Slack + Trello

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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Powerful features that scale
Manage concurrency and execution rate
Manage concurrency and execution rate

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

Process large payloads up to 5 terabytes
Process large payloads up to 5 terabytes

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

Return custom responses to HTTP requests
Return custom responses to HTTP requests

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

Use most npm packages
Use most npm packages

To use any npm package, just require() it -- there's no npm install or package.json required.

Maintain state between executions
Maintain state between executions

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

Pass data between steps
Pass data between steps

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