1) Create a Silverlight test with a Verify: DataGridCell text 'Equal' 'xxxxxx' test step 2) Right click the step and select Customize in code Expected: Valid code to be generated Actual: No code, only an empty method. In the Test Studio application log you will find this: [07/15 12:53:57,Telerik.TestStudio.exe(2108:1),Error] CodeGenerator.GenerateStepCode() : EXCEPTION! (see below) Situation: CodeGeneration Outer Exception Type: System.NullReferenceException Message: Object reference not set to an instance of an object. HRESULT: 0x80004003 (Official ID (if app.) = E_POINTER, Error Bit = FAILED, Facility = FACILITY_NULL, Code = 16387) Call Stack: at ArtOfTest.WebAii.Design.IntrinsicTranslators.Silverlight.Descriptors.PropertyVerificationDescriptor.ToCode() at ArtOfTest.Common.Design.CodeGeneration.CodeGenerator.GenerateStepCode(AutomationStepBase step, CodeGenerationLanguage lang)