Properties and options of activity executions
                                        | 
                                                         Element  | 
                                                    
                                                         Description  | 
                                                
| 
                                                         References the activity execution assigned to the trip via the selected schedule.  | 
                                                |
| 
                                                         Schedule number  | 
                                                    
                                                         Number of the allocated schedule  | 
                                                
| 
                                                         Index  | 
                                                    
                                                         Index of the activity execution  | 
                                                
| 
                                                         Start time  | 
                                                    
                                                         Time at which activity execution starts (optional) Note Start time, duration and end time are automatically kept consistent.  | 
                                                
| 
                                                         Duration  | 
                                                    
                                                         Duration of activity execution (optional)  | 
                                                
| 
                                                         End time  | 
                                                    
                                                         Time at which activity execution ends (optional)  | 
                                                
| 
                                                         Activity code  | 
                                                    
                                                         Optional allocation of an activity  | 
                                                
| 
                                                         Location number  | 
                                                    
                                                         Optional allocation of a location  | 
                                                
| 
                                                         Activity location key  | 
                                                    
                                                         The activity location key is issued if activity code and location number have been assigned.  | 
                                                

