I am adding a tree view field that references the Controlled Vocabulary broader field in the levels and allows recursion.
Setting recursion to true only makes sense if you have a tagbox in a list that references the same list.
[
{
"fieldId": "broader",
"allowRecursion": true,
"levels": []
}
]
I then add a filter on the List
And can see the hierarchical filter with recursion on in the Filters of the List
If I set recursion to false in this case you would receive a flat unwieldy structure:
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