Domain for the RUN's custom domain.
If the desired custom domain is portal.mycompany.com, this will be "mycompany.com".
Mailing address for the RUN with custom domain.
If the desired custom domain is portal.mycompany.com, this can be either
"portal.mycompany.com" or "mycompany.com".
Subdomain for the RUN's custom domain.
If the desired custom domain is portal.mycompany.com, this will be "portal".
Type for the data required to configure a profile's RUN Custom Domain.