# How to load a form when clicking on a tree node

Suppose you have a window containing a tree and a form depending on the node currently selected on the tree. What you want is to reload the form when selecting a node in the tree.\
You can do that manually, by binding to the "node clicked" event of the tree a javascript action containing js code to reload the form. You can use a wizard available in the tree panel definition to generate the same settings automatically.\
A few wizards are available in the settings panel for a tree in the App Designer. One of these wizards is about "Form loading when clicking a node". When selecting this item, a settings dialog is showed: once the user has selected the form, a list of required parameters is proposed on the right: these are parameters required by the form in order to read data correctly.\
For each of them, the user has to bind a value to that parameter, which can be a constant value, a variable (such as username, current date, etc.) or a value coming from the current selected node.\
In this way, the wizard has all information needed to create a javascript action and bind it to the "node clicked" event.


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