# Deployment

**Status**: [Experimental][DocumentStatus]

**type:** `deployment`

**Description:** The software deployment.

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| Attribute  | Type | Description  | Examples  | [Requirement Level](https://opentelemetry.io/docs/specs/semconv/general/attribute-requirement-level/) | Stability |
|---|---|---|---|---|---|
| [`deployment.environment`](/docs/attributes-registry/deployment.md) | string | Name of the [deployment environment](https://wikipedia.org/wiki/Deployment_environment) (aka deployment tier). [1] | `staging`; `production` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |

**[1]:** `deployment.environment` does not affect the uniqueness constraints defined through
the `service.namespace`, `service.name` and `service.instance.id` resource attributes.
This implies that resources carrying the following attribute combinations MUST be
considered to be identifying the same service:

* `service.name=frontend`, `deployment.environment=production`
* `service.name=frontend`, `deployment.environment=staging`.




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[DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status