Using nodesIdSelection option, you can view current node selection in shiny with input$networkid_selected Using highlightNearest option, you can view current highlighted nodes in shiny with input$networkid_highlight_label_id & input$networkid_highlight_color_id

Using selectedBy option, you can view current variable selection in shiny with input$networkid_selectedBy

Using manipulation option, you can view current action in shiny with input$networkid_graphChange