Customized Computed Attributes

Hi,
I want to customized following below Computed Attributes in my Traccar Manager attribute Status.

1. Vehicle Time Out [Vehicle Started]
2. Vehicle Time In [Vehicle Stopped]
3. Meter Reading Out [Vehicle Started]
4. Meter Reading [Vehicle Stopped]
5. Total Distance in KM [Vehicle Started-Vehicle Stopped]

Totally help in this regards will be highly appreciated.

Regards,
Tasadduq

You can't change status via computed attributes.

Can i putt above mention filed expression using computed attributes.
Can please help me to find above mention values using expression.