Get and set methods of emission attributes

1. Set

1. Field Type = Boolean: Determine whether the ISN format starts. If yes, set + n... directly. If not, add the first letter of touppercase with the set prefix.

Ii. Field type! = Boolean, the first letter of touppercase, plus the set prefix

2. Get

1. Field Type = Boolean: determines whether the start of ISN is in the form of fieldname. If not, the first letter of touppercase is added with the "is" prefix.

Ii. Field type! = Boolean, the first letter of touppercase, with the get prefix