Calling Procedure Forms Personalization

Calling procedure in forms personalization can be done using argument in below format.

='declare v_field_value VARCHAR2(500);begin scheme.procedure('''||${item.tolines_blk.header_id.value}||''',
'''||${item.tolines_blk.line_id.value}||''','''||fnd_global.user_id||''','''||fnd_global.org_id||''');
end'