ADF UIX: How to narrow the value range of a MessageChoice?

I have 3 ViewObjects:
1st one is CustomerVO with an attribute called CustomerNo,
2nd one is LinkmanVO with attributes LinkmanName and CustomerNo .
And I do not create viewlink between them(for some reasons).
3rd one is JobVO with attributes CustomerNo and LinkmanName.
On UIX page, I have to Components:
CustomerNo MessageTextInput(of JobVO),
LinkmanName MessageChoice(of JobVO) from Lov mode of LinkmanView1Iterator.
When user fills the CustomerNo MessageTextInput, I want the LinkmanName MessageChoice only show the LinkmanName has the same CustomerNo as the MessageTextInput.

I am looking for the same functionality between two messagechoices. Did you get any responces to this question? Have you had any luck?
Thanks,
Mia
[email protected]

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