Identifier unique to the application that indicates it is Firefox or Thunderbird, etc. Same for all installations of an application regardless of the value of <var>appName</var>
Za nałoženje jednozmyslny identifikator, kotryž podawa, hač je Firefox abo Thunderbird atd. Samsne płaći za wšě instalacije nałoženja njedźiwajo na hódnotu <var>appName</var>