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The article describes UFT add-in for browser Mozilla Firefox and which object model they used.
UFT (Unified Functional Testing) supports two Add-ins for Mozilla Firefox. The first one is HPE functional testing Legacy Agent and the second one is the UFT Agent that is installed by default with the UFT installation.
HPE functional testing Legacy Agent should be used when working with Mozilla Firefox 39 or its earlier versions. This Agent uses XPCOM that is a cross platform component object model, which works mainly with COM and can be used for running test on Java Applets too.
For more details regarding the XPCOM platform component object model please see the following article:
For more information regarding Mozilla Browser Console, please see the article: