Can I have an optional OUTPUT parameter in a stored procedure?

Question

I have a stored procedure that has a bunch of input and output parameters because it is Inserting values to multiple tables. In some cases the stored proc only inserts to a

Answer 1

Looks like I can just add a default value to the OUTPUT parameter such as:

@AddressId int = -1 Output

Seems like its poor in terms of readability since AddressId is intended strictly as an OUTPUT variable. But it works. Please let me know if you have a better solution.