# WS-Policy

### In this section

* [Developing Assertions](https://help.qlik.com/talend/en-US/esb-service-developer-guide/8.0/developing-assertions)
* [How It Works](https://help.qlik.com/talend/en-US/esb-service-developer-guide/8.0/how-it-works)
* [WS-Policy Framework Overview](https://help.qlik.com/talend/en-US/esb-service-developer-guide/8.0/ws-policy-framework-overview)