If you have a trip request workflow that includes the requirement to select an Authoriser Group/Authoriser, you can save your preferred Authoriser as a default option for future trip requests.
1) Create a trip request:
2) Select an Authoriser Group:
3) Select an Authoriser:
A grey star will appear next to the Authoriser field box:
4) Click on the star to save the Authoriser Group/Authoriser as a default (the star will turn yellow):
The next time you create a trip request, the Authoriser Group/Authoriser will automatically appear: