A system obtains a file associated with at least one interaction that satisfies a requirement of the application. The file (containing at least one instruction) is associated with a graphical user interface allowing a user to define at least one interaction, as a use case. The system transmits at least a portion of the file to a processor for processing of the portion of the file. The processor is selected based on at least one instruction. The system transmits a result of the processing to an engine in communication with the processor. The system transmits the result from the engine to a view renderer for execution of at least one instruction (that is contained in the file associated with at least one interaction that satisfies the requirement of the application). The system receives a response at the view renderer, and transmits the response from the view renderer to the engine.