Click Start in the second-level toolbar to initialize all components.
Click Step to step through the project from component to component. At any point during the simulation you can preview the current set of data. For example, when the first step the data records are forwarded from the source component to the Data Calculator. A number on the link indicates the number of records transferred.
Right click the link and select Preview from the pop-up menu to preview data on the link.
To start the simulation