This report presents an application to be used for evaluating the COM support in four different development environments. The summary of the evaluation as well as the list of reports documenting the results of the evaluation can be found in COT/3-4: Evaluation of COM Support in Development Environments. To better understand the idea of the application in section 2 a number of general demands for the application is presented. In Section 3 then the application is presented as a number of steps to be performed by each of the evaluated tools.