The GUI enables block-oriented graphic workflow assembly by users. It also lets users modify parameters of components and applications, and start, influence, and monitor online the entire simulation. In the base version, the TENT GUI has the following elements:
The GUI can be extended by adding Java or Python classes. For example, many application components have specialized GUI elements for easy configuration and control of their applications. The Start and Stop buttons for the Workflow are another such GUI extension. A further example is a panel for displaying 2D plots.