add_pk: Add various `pkproto` objects to a `pk` object
Description
Add various `pkproto` objects to a `pk` object
Usage
add_pk(pk_obj, pkproto_obj, objectname)
Value
The `pk` object modified by the addition.
Arguments
- pk_obj
The `pk` object
- pkproto_obj
The `pkproto` object to be added
- objectname
The name of the `pkproto` object to be added