This page contains an in-depth video tutorial explaining how to create policies in APEX and how to deploy it in ONAP Policy Framework.
The video tutorial: Apex_Tutorial.mkv
The presentation used in the video tutorial explaining APEX and the example usecase used to explain the APEX Policy design can be found here: ApexDemo.pptx
The material shown in the video tutorial implementing the policy example can be found here: examples-demo.zip