Use bindings for a variable in sql

Hello,
I have the following query:
select request_number, ktna_notes.request_notes(20, &request_number) from request_table where request_number = &request_number
the &request_number is a variable within the database.
I need to implement this in my ADF project. Currently I have the table displaying the table information but not the notes portion because I'm not sure how to bind the variable.
I'm sure there must be a simple solution to this but I haven't been able to find anything.
Thank you.

Hi,
In query use select request_number, ktna_notes.request_notes(20, :request_number) from request_table where request_number = :request_number and create bind variable request_number in View Object query part.
Then you can drag&drop ExecuteWithParams as parameter form from data control palette
regards,
Branislav

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