Visualforce Developer Guide
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knowledge:categoryList
A loop on a subset of the category hierarchy. The total number of categories displayed in a page can't exceed 500.
You must have access to the category you set as rootCategory to get a list of any categories. To list categories available to a user, see the Knowledge Support REST APIs.
List descendents of the 'phone' category. 'phone' is in the 'product' category group.
<select name="category">
<knowledge:categoryList categoryVar="category" categoryGroup="product" rootCategory="phone" level="-1">
<option value="{!category.name}">{!category.label}</option>
</knowledge:categoryList>
</select>Attributes
| Attribute Name | Attribute Type | Description | Required? | API Version | Access |
|---|---|---|---|---|---|
| ancestorsOf | String | If specified, the component will enumerate the category hierarchy up to the root (top-level) category. rootCategory can be used to specify the top-level category. | 43.0 | ||
| categoryGroup | String | The category group to which the individual categories belong. | Yes | 43.0 | |
| categoryVar | String | The name of the variable that can be used to represent the article type object in the body of the categoryList component. | Yes | 43.0 | |
| id | String | An identifier that allows the component to be referenced by other components in the page. | 14.0 | global | |
| level | Integer | If specified with rootCategory, the component will stop at this specified depth in the category hierarchy. -1 means unlimited. | 43.0 | ||
| rendered | Boolean | A Boolean value that specifies whether the component is rendered on the page. If not specified, this value defaults to true. | 14.0 | global | |
| rootCategory | String | If specified without ancestorsOf, the component will loop on the descendents of this category. | 43.0 |