You can define route maps inside  PBR to achieve above

Do you mean REST based policy ?

Hi Daniel, what is the use case

Not Yet, we are targeting NAT REST support for Q1CY2018

5506,08,16 all are ASA, that runs firepower services. They are capable of performing IPS, AVC, URL and AMP. ASA understands SGT tags from ISE, with FP6.0, Firepower will also get SGT tags to create policies. There is no 3G/4G support.