---
layout: docs
page_title: sentinel Block - Agent Configuration
description: >-
  The "sentinel" block configures the Nomad agent for Sentinel policies and
  tune various parameters.
---

# `sentinel` Block

<Placement groups={['sentinel']} />

The `sentinel` block configures the Sentinel policy engine and tunes various parameters.

```hcl
sentinel {
    import "custom-plugin" {
        path = "/usr/bin/sentinel-custom-plugin"
        args = ["-verbose", "foo"]
    }
}
```

## `sentinel` Parameters

- `import` <code>([Import](#import-parameters): nil)</code> -
  Specifies a plugin that should be made available for importing by Sentinel policies.
  The name of the import matches the name that can be imported.

### `import` Parameters

- `path` `(string: "")` - Specifies the path to the import plugin. Must be executable by Nomad.

- `args` `(array<string>: [])` - Specifies arguments to pass to the plugin when starting it.