Forum Post: How can I combine a value from a output to another output variable

My proc has to results-one is a number and other a string.I need to combine the number with the string as the second output in code tester. i tried the below. 'Member ID ' || e_OUT_MEMBER_ID ||'does not exist'. but output is without the number. What should i do to get the proper output .I cannot hardcode the value bcoz the id would change.Please advice.