The meaning of processing a „data session“ is to applay the model on a set of trials called data session. As defined in the projects job configuration, the trials of the session are split into serveral groups of trials. A trial can be element of more than one group. Trial by trial is processed, new timeseries and parameters are created and saved in a format as defined in the projects labelset and job configuration. The default output model writes the output of the complete session into a single file with suffix „.d3d“. Other output formats and models are possible.