Conditional display items based on lov : apex oracle 5.0

Conditional "display only" LOV:

Say you have a static LOV.
Place 2 items on the page :
P1_LOV and P1_Y.
P1_Y is always "1".
P1_LOV value is driven by session state value. Session state is set by the "before header" process.
I want to load the page, and set the P1_LOV to "display only" state if P1_Y = 1.

Solution:

Dynamic Action:
Event: change
Selection type: Item(s)
Item(s): P1_Y
Condition: equal to
Value: 1
And then add a true action: Disable LOV, Fire On Page Load=Yes (if needed add also a false action accordingly).