When adding carousels to your dialogues, there are a few things to keep in mind since Zendesk Chat has its limitations in terms of supporting rich format messaging. 

This article covers:

• Limitations 
• Example in web widget
• Example in Dialogue Builder

Limitations

Every field is mandatory Max. 10 cards Image URL Max. 2000 characters Must be a valid http/https URL Image Size Must be no more than 20MB Image Format Must be a PNG, JPEG or GIF file Card Title Max. 100 characters The character " can not not be used  Description Max. 150 characters No line break The character " can not not be used

Max 3 buttons Type Button Dialogue continues  Button with external link Dialogue ends here Max. 2000 characters Must be a valid http/https URL Button Text Mandatory Max. 20 characters

Example

In web widget

In Dialogue Builder