I have a question concerning a foreign judgement.

Based upon your question, your Judgment appears to be from another state.  The steps to turn your Judgment into a Nevada judgment is to domesticate the Judgment in Nevada pursuant to NRS 17.330 et. seq.  The first step is obtain an exemplified copy of your Judgment from the home state.  Be careful .  An “exemplified” copy has three seals or oaths on the form: one from a judge and two from the Clerk’s Office. A “certified” copy only has one seal, which is from the Clerk’s Office. Your second step is to file the exemplified copy of your Judgment with the appropriate Nevada District Court with a Verified Application for Foreign Judgment. NRS 17.350.   A judgment so filed has the same effect and is subject to the same procedures, defenses and proceedings for reopening, vacating or staying as a judgment of a Nevada district court and may be enforced or satisfied in like manner.  After that time, you can pursue garnishment and execution in the same manner as if you originally sued the Debtor in Nevada.