This command adds the nearest NPC to your character's party. If there are already 4 characters in your party, the NPC will still be added however will not have a portrait.
The syntax for the zz_test_hire command is as follows:
runscript zz_test_hire
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GOFind below working examples of the zz_test_hire command.
runscript zz_test_hire
The only way this command can be executed.