ImageBlock

init

Creates an ImageBlock instance.

Slack Docs: https://api.slack.com/reference/block-kit/blocks#image

Name	Type	Required	Default	Description
imageUrl	string	true		The url for the image. Maximum of 3000 characters.
altText	string	false	"" (empty string)	The alt text for the ImageBlock. If no alt text is provided here, it must be configured using the alt method before serializing.

Return: The ImageBlock instance.

id

Sets a custom identifier for the ImageBlock instance.

Name	Type	Required	Default	Description
id	string	true		The custom identifier for the ImageBlock instance.

Return: The ImageBlock instance.

alt

Sets the alt text for the ImageBlock instance.

Name	Type	Required	Default	Description
altText	string	true		The alt text for the image. Maximum of 2000 characters.

Return: The ImageBlock instance.

title

Sets the title for the ImageBlock instance.

Name	Type	Required	Default	Description
title	string	true		The title for the image. Maximum of 2000 characters.

Return: The ImageBlock instance.

getMemento

Converts the ImageBlock instance to a serializable format.

Name	Type	Required	Default	Description
No arguments

Return: (struct) A struct representing this ImageBlock instance.

{
    "type": "image",
    "image_url": "https://placekitten.com/200/300",
    "alt_text": "A cute kitten",
    "block_id": "optional"
    "text": {
        "type": "plain_text",
        "text": "My Title"
    },
}