passing parameters and returning a value

[Fischio]

hello everyone
I want to call a new screen, in the new screen select a value and pass that value back to the element that made the new screen open.
screen1 :
click on the textbox --> open a screen 2

screen2:
select a value from dropdown and return a value in the textbox that opened this window

thanks

[Silvester]

Put the value you want to pass from a screen to the other in a variable.

Set(VarValue,Dropdown.selected.value)

Then on the text box in the other screen. set the default to VarValue.

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[Silvester]

Additionally, on the textbox that opens the screen, set the OnSelect property to 

Navigate(YourSecondScreen)

Then Set the dropdown in the follow up screen to my previous post but you add a closing function

Set(VarValue,Dropdown.selected.value);Back()

Set the textbox default value to the VarValue.

[Fischio]

thank you for your reply, I would like to add that the textbox from which the call to screen2 starts is a datacard connected to an excel file from which it retrieves the information.
is it possible to pass the name of the element that calls screen2 and have screen2 add the text to the calling textbox?
example:
textbox1 calls screen2 by passing its name Textbox1, screen2 performs the operation and calls screen1 by writing to TextBox1
onselect textbox1 = Navigate('Screen2',ScreenTransition.Fade,{selectedItemName:ThisItemName})

onSelect dropdown ( screen2) = Navigate('Screen1',ScreenTransition.Fade,);screen1.textbox1.text=screen1.textbox1.text &" "&dropdown.selected

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[Silvester · Accepted solution]

hello @Fischio ,
Yes, it is very much possible to do. That is what i did in my second comment,
TextBox1
On Select property

Navigate(YourSecondScreen)

Default

VarValue

Screen 2
Dropdown
OnSelect

Set(VarValue,Dropdown.selected.value);Back()

This should be fine. Let me know how it goes.