The extension attributes defined by a Maya plug-in can appear in the 3Delight section in the Attribute Editor. The process to achieve this is very similar to how it is usually done in Maya. Normally, Maya expects a plug-in to register a procedure that will construct the UI elements using the AETemplateCustomContent hook of the callbacks command. 3Delight for Maya allows registering that procedure using with that same hook using the dlCallbacks command.
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