Multiecuscan

There is no mention of forced DPF regeneration under "supported modules" nor any clue in the 'supported vehicles list' as to what module controls DPF regeneration and therefore which cables to use?

Fiat Doblo (type 263) 1.6v multijet

There could be a facility for the free version to demonstrate successful connection to your vehicle in order to have confidence that the paid for licensed version will work?

You should not need an adapter cable. See: https://www.multiecuscan.net/SupportedVehiclesList.aspx

Select your correct ECU and then go to F7-Adjustments. There you will find the Particulate Filter Regeneration.