Tree
This tab provides settings for filters that have nested options (e.g. Categories and Tags).
Parent Option#
Sets the parent option, whose children nodes will be loaded in the filter.
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This setting is useful, especially when you have long lists of options, which are semantically diverse (e.g. semantically diverse categories).
Tree Toggle State#
If the tree will be shown as expanded or collapsed.
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When an option is selected, that part of the tree is expanded no matter the value in this setting.
Parent Nodes as Links#
The parent options in a tree can be links (i.e. return results) or just toggle/expand their sub-tree.