Are you using a standard set of job types across all your customers, but you need extra questions adding for a specific customer?
If so, you don't need to create an extra job type just for those customers.
There is an option that will make questions visible for a specific account code.
When you add a question onto the workflow, use this on the Visible If properties box:-
customer_account_ref = xyz
Where xyz is the customer account code that will make the question visible in the app
Also note the space before and after the equals sign
You can also make entire tabs only show up for a specific customer too
Just set the Visible If property on the tab itself:-
customer_account_ref == xyz
Note the extra equals character here
(Troubleshooting - if you find questions aren't showing up for some field staff, make sure they are on the latest versions of the Motivity Workforce app)