Syntax to use gl chart of accounts segment as bind variable in table validated value set

Summary:

Need to reference GL chart of accounts segment in one of the segments of the Journal Lines descriptive flexfield

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Defining dff segment for project task on a journal line and would like to reference project segment value in the COA. Looking for a syntax to reference project segment in COA as bind variable in the table validated value set that fetches valid tasks using project reference.

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