A Card is a way of showing a single image.

The parameters for Card are:

Name Type Default Values Description
title string - - the title text for the Card
imgUrl string - - the URL the image will be loaded from - 250x250px works best. If a videoUrl is provided the imgUrl will be used as the thumbnail image
videoUrl string - - the URL (youtube or vimeo) the video will be loaded from
imgData string - - A base64 encoded version of an image, if imgUrl is set this will not be used
alt string - - the text that describes the image
subtitle string - - Subtitle text
description string - - Description text

An example of Card Markup is: