apoc.map.updateTree Function apoc.map.updateTree(tree,key,) returns map - adds the {data} map on each level of the nested tree, where the key-value pairs match Signature apoc.map.updateTree(tree :: MAP?, key :: STRING?, data :: LIST? OF LIST? OF ANY?) :: (MAP?) Input parameters Name Type Default tree MAP? null key STRING? null data LIST? OF LIST? OF ANY? null More documentation of apoc.map.updateTree