--- title: "Sentinel" chapter: true draft: false weight: 6 --- # Sentinel [Sentinel](https://www.hashicorp.com/sentinel) is an embedded policy-as-code framework integrated with various HashiCorp products. It enables fine-grained, logic-based policy decisions, and can be extended to use information from external sources. Terraform Cloud enables users to enforce policies during runs. A policy consists of: - The policy controls defined as code - An enforcement level that changes how a policy affects the run lifecycle {{% notice note %}} This functionality is available in the Terraform Cloud [Team & Governance](https://www.hashicorp.com/products/terraform/pricing/) tier, as well as [Enterprise](https://www.hashicorp.com/products/terraform/pricing/). Organization owners can enable a [30-day free trial](https://www.hashicorp.com/blog/announcing-free-trials-for-hashicorp-terraform-cloud-paid-offerings/) in their settings under **"Plan & Billing"**. {{% /notice %}}