# Reference Guides

- [Subscription Policies Reference Guide](/saas/govern/secure-your-data/authoring-policies-in-secure/section-contents/reference-guides/subscription-policies.md)
- [Subscription Policy Access Types](/saas/govern/secure-your-data/authoring-policies-in-secure/section-contents/reference-guides/subscription-access-types.md)
- [Advanced DSL Policy Builder Functions and Variables](/saas/govern/secure-your-data/authoring-policies-in-secure/section-contents/reference-guides/advanced-special-functions.md)