Unable to add the Rule list to policy on AFM

Hi,

we have LTM with AFM module enabled .

we have created rule list on,  Security > Network Firewall > Rule Lists --- Rule list 1

we have created Policy on Security > Network Firewall > Policies  --- Policy 1

When i open the Policy 1, I dont find the options to add the rule list, only i can add rule.

F5 Version 14.1.2.5

Do any one help me ,it is any settings need to enabled?