Read the HFP API documentation to understand how these topic filters are used

Temporal type:
Transport mode:
Operator id: Operator id should be 4 digits long
Vehicle number: Vehicle number should be 5 digits long
Route id: Route id should contain 4 digits and up to 2 characters
Direction id:
Start time: Time should be in format hh:MM
Next stop: Stop id should be 7 digits long
Geohash level: Note: Geohash level 0 shows only the most significant updates on the map
Show topics