Method GetSubGroups Last update: 19.06.2026 Namespace: Phoenix.ComponentPlugInSDK Assembly: Phoenix.ComponentPlugInSDK.dll GetSubGroups(PHXVariable) Call when Tree Node gets expanded so new children can be populated. public virtual IList<PHXVariable> GetSubGroups(PHXVariable parent) Parameters parent PHXVariable The parent group variable whose child group variables should be returned. Returns IList<PHXVariable> List of new PHXVariables used to populate children of expanded node