ImageElement

init

Creates an ImageElement instance.

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

Name	Type	Required	Default	Description
imageUrl	string	true		The url for the image.
altText	string	false	"" (empty string)	The alt text for the image. If alt text is not provided in the constructor, it must be provided using the alt method before serializing.

Return: The ImageElement instance.

alt

Sets the alt text for the ImageElement instance.

Name	Type	Required	Default	Description
altText	string	true		The alt text for the ImageElement.

Return: The ImageElement instance.

getMemento

Converts the ImageElement instance to a serializable format.

Name	Type	Required	Default	Description
No arguments

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

{
    "type": "image",
    "image_url": "https://placekitten.com/200/300",
    "alt_text": "A cute kitten"
}