Since v4.6 TomTom basemaps can easily be activated within Maps Marker Pro. If you want to add TomTom traffic incidents and traffic flow layers as overlay, please proceed as follows:
For TomTom traffic incidents overlay please use the following values:
Name: TomTom traffic incidents
Attribution: @ 1992-2019 TomTom
Finish by clicking on Save.
Please be aware that the layers can be customised, e.g. by setting a different style. For more Information on how to Change the URL accordingly, please have a look at the traffic flow details or traffic incident details.