Attribute_listing Widget
The attribute_listing widget can show system
and custom attributes in either one, two or three columns in the order of
the configuration.
| Name | Type | Description |
| columns | integer | the number of columns (1, 2, or 3) to use |
| attributes | array of strings | the attributes to display |
| show_empty | Boolean | whether an attribute appears when no value is defined default is false |
{
"columns" : 2,
"attributes" : [ "attribute1", "attribute2" ]
}