How to access string content of a node that is just added to TreeView?

Development Programming & Scripting C++
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Hi all,

I am currently using TreeView from WidgetBluePrint. Below are the image of my TreeView Blueprint and WidgetBluePrint.

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image740×478 91.1 KB

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image1236×497 116 KB

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image2041×39 37.1 KB

The logic is when I press the Button_ADD in WidgetBluePrint it would add Parent node into the TreeView and then trigger the New Event Dispathcher. When the New Event Dispatcher inside TreeView Blueprint got called, it would access the string of the node that is just added to the TreeView.

Right now when I press the Button_ADD at first time, it would show access error (3rd image). When I press the seocnd time, it would show the string of the node that I added at first time (which is Parent 0). Then Parent 1 at third time, Parent 2 at fourth time and so on…

Could someone tell me how to solve this bug? It would really help a lot!!