prefix

Sets or gets the dashboard button prefix.

You can get or set a prefix for a dashboard button. For example, you can set a prefix to be a currency, such as '$'.

The following formats are supported:

• A string literal, such as '$'.
• Vector images from the Media Manager: wix:vector://v1//.
• Vector images from the web: http(s)://.
• Vector XML string: ....

To disable the button's prefix, set the prefix property to null.