Form Builder: How do I access the currently selected item in a single list box?

Hi, folks.

I was wondering how to access the currently selected value of an item in a single list box (slbPatients) so that I can copy the value to a single line text(txtTest). I've tried:

<xforms:action ev:event="xforms-select" ev:observer="slbPatients-control" >
        <xforms:setvalue ref="//form/select/txtTest" value="//form/select/slbPatients/item"/>
</xforms:action>

But without any success. If I use another single line text in the value field, there isn't a problem - I'm just unsure about how to form the correct xpath statement to access the values stored in the single list box.

Many thanks,

Sparks

Have I asked a silly question? Is there a better place to look for an answer?

Many thanks,

Sparks

Ah! Found it in the documentation eventually:

On xforms-select, the following extension attributes are supported:

    *

      event('xxforms:item-value')

      When this event is dispatched to in response to a selection control item being selected, returns the value of the selected item.

Glad you figured it out ;)

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