Update README.md

CodeWithDennis · Sep 22, 2023 · 30e44aa · 30e44aa
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diff --git a/README.md b/README.md
@@ -62,6 +62,9 @@ SelectTree::make('category_id')
 // Expand the tree with selected values
 ->expandSelected(false)
 
+//	All groups will be opened to this level
+->defaultOpenLevel(2)
+
 // Display individual leaf nodes instead of the main group when all leaf nodes are selected
 ->grouped(false)