In AX 2012 there is a very high chance that you have to work with the new AXModel files.
You may receive an ISV solution, or a Microsoft hotfix and you would like to know what is inside. If you have installed the management extensions, you can go to Start menu > Administrative tools > Microsoft Dynamics AX 2012 Management Shell to open PowerShell to access the AX-specific utilities.
We have a hotfix in our example, and would like to see what objects are inside, which may cause a conflict with out customizations. You can run the following command to get more details from our AXModel hotfix: