Post to Slack Block
Send messages from your AI Agent directly to a Slack channel
Last updated
Send messages from your AI Agent directly to a Slack channel
Last updated
The Post to Slack Block allows you to send messages directly to a Slack channel as part of your workflow. This block is perfect for automating updates, team notifications, or alerts with customizable formatting.
Choose how the message will be formatted before sending to Slack:
Markdown Text: Use Slack-compatible Markdown to create formatted text messages
(e.g., *bold*
, _italic_
, >
for blockquotes).
Slack Block Kit Blocks: Design a highly customized message layout using Slack's Block Kit. Block Kit enables advanced formatting, such as interactive elements, sections, dividers, and more. Learn more at .
Connect to a Slack channel where the message will be posted.
Click Add to Slack to authenticate and link your Slack account.
Once connected, select the desired channel from your Slack workspace.
Compose your message in markdown or build your custom Slack block.
Blocks are the building units for creating structured, visually appealing Slack messages. They are stackable components designed to display text, images, buttons, and other elements in a flexible, layout-friendly way.
Blocks are the core components used to structure and organize the content of your Slack messages.
Actions
Contains interactive elements like buttons and menus.
Context
Displays small contextual information with images or text.
Divider
Adds a horizontal line to separate content.
File
Displays information about remote files.
Header
Displays large, bold text for headings.
Image
Displays standalone images.
Input
Collects user input via various input types.
Rich Text
Allows formatted and structured text.
Section
Displays text alongside optional block elements like buttons or images.
Video
Embeds a video player.
Block elements are the interactive or visual components embedded inside blocks to enrich the functionality of your message.
Button
Provides users with a direct path to performing actions like confirming tasks.
Checkboxes
Allows users to select multiple options from a list.
Date/Time Pickers
Enables users to select a date, time, or both.
Dropdown Menus
Lets users choose from a list of options.
Plain Text Input
Allows users to enter freeform text.
Radio Buttons
Limits users to selecting one option.
Image
Displays an image as part of a larger block of content.
Overflow Menu
Provides a button that shows a list of additional options.
Multi-Select Menu
Lets users select multiple options from a dropdown list.
Composition objects allow you to enhance the structure of blocks and elements, enabling even more customization and interactivity.
Confirmation Dialog Object
Adds a confirmation step to interactive elements like buttons.
Conversations Filter Object
Filters the list of options in conversation selector menus.
Option Object
Represents a single item in a list of options for selection elements.
Option Group Object
Groups options in select menus for better organization.
Text Object
Defines text formatting for different blocks and elements.
Workflow Object
Contains workflow trigger information for running specific workflows.
Slack File Object
Represents a file for use in Image or File blocks.
Drag-and-drop elements to stack and organize blocks.
Previews to refine your design.
Click Copy Payload button to copy and paste JSON into your app.
Slack blocks are modular and interactive components used to create rich, visually engaging messages in Slack. With the , you can stack and arrange blocks to design powerful message layouts that deliver information or enable user interactions.
Slack’s lets you visually design your blocks, test layouts, and prototype quickly. It provides: