You can give different objects in the scene the same name, but two sibling nodes (nodes with the same parent) cannot have the same name.
To change the name of an object or node
-click a node in the Hypergraph and select Rename.
To rename multiple objects at once
To add a prefix to the names of a parent node and all its children
To search and replace names in the scene
You can search and replace all node names in the scene, selected node names, or node names in a hierarchy.
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