Categories can be bootstrapped by using an XML file.
Your categories bootstrap XML file must contain only cm:generalclassifiable categories. An example of the XML file is provided as follows:
<view:view xmlns:view="http://www.alfresco.org/view/repository/1.0"
xmlns:sys="http://www.alfresco.org/model/system/1.0"
xmlns:cm="http://www.alfresco.org/model/content/1.0">
<cm:category>
<cm:name>Your Root Category</cm:name>
<cm:subcategories>
<cm:category>
<cm:name>Your Parent Category</cm:name>
<cm:subcategories>
<cm:category>
<cm:name>Your Child Category</cm:name>
</cm:category>
</cm:subcategories>
</cm:category>
</cm:subcategories>
</cm:category>
</view:view>