What is the function of complement shown in parentheses this sentence Susan baked Steve and Tim a fresh apple pie?

The phrase "Steve and Tim" is a compound noun. It functions as the indirect object of the verb "baked."

Here's why:

* Direct Object: The direct object is the thing that is being acted upon by the verb. In this case, the direct object is "a fresh apple pie" because Susan is baking it.

* Indirect Object: The indirect object is the person or thing that is receiving the direct object. In this case, "Steve and Tim" are receiving the apple pie.

Therefore, the function of the complement "Steve and Tim" in parentheses is to identify the indirect object of the verb "baked."