Get objects MetaData details in Dynamics 365 for finance and operation

StringEnumerator   objectNameString;
str objectName;
objectNameString = Microsoft.Dynamics.Ax.Xpp.MetadataSupport::ClassNames();
     while (objectNameString.moveNext())
     {
            objectName =  objectNameString.Current;
            AxClass classSt = Microsoft.Dynamics.Ax.Xpp.MetadataSupport::GetClass(objectName);

           //  classSt .
     }