How to deactivate a service for a customer using DEV API

[jmkdev]

The DEV api at dev.otrs.org has a method in Kernel::System::Service called "CustomerUserServiceMemberAdd"

I used this method to add services to customer.

Now i want to deactivate the service from customer. Will it work if i set Active=0 ?

[jmkdev]

setting active = 0 worked . but it doesnt return any thing