-- https://docs.oracle.com/en/database/oracle/oracle-database/23/lnpls/plsql-language-fundamentals.html
ALTER SESSION SET
PLSQL_CCFlags = 'Some_Flag:1, Some_Flag:2, PLSQL_CCFlags:99'
/
BEGIN
  DBMS_OUTPUT.PUT_LINE($$Some_Flag);
  DBMS_OUTPUT.PUT_LINE($$PLSQL_CCFlags);
END;
/