Image block

Displays an image, with an optional title above it.


Type	`image`
Available in	Messages, Modals, Home tab

Fields

Field	Type	Description	Required?
`type`	String	The type of block. For an image block, `type` is always `image`.	Required
`alt_text`	String	A plain-text summary of the image, without markup. Maximum 2000 characters.	Required
`image_url`	String	The http(s) URL of a publicly hosted image (`png`, `jpg`, `jpeg`, `gif`). Maximum 3000 characters.	Required
`title`	Text object	A title shown above the image, as a `plain_text` text object. Maximum 2000 characters.	Optional
`block_id`	String	A unique identifier for the block. Maximum length is 255 characters. It must be unique within the message or view — a duplicate is replaced and reported as a warning.	Optional

Examples

An image with a title

An image with a title — how it renders in Repzo Chat

{
  "blocks": [
    {
      "type": "image",
      "title": {
        "type": "plain_text",
        "text": "Shelf audit — Store 12, aisle 4"
      },
      "image_url": "https://picsum.photos/id/292/800/500",
      "alt_text": "Store shelf photographed during the audit"
    }
  ]
}

An image without a title

An image without a title — how it renders in Repzo Chat

{
  "blocks": [
    {
      "type": "image",
      "image_url": "https://picsum.photos/id/48/800/450",
      "alt_text": "Office meeting room set up for the quarterly review"
    }
  ]
}