# OTel - [OTel Attributes](#otel-attributes) - [OTel Scope Attributes](#otel-scope-attributes) - [Deprecated OTel Library Attributes](#deprecated-otel-library-attributes) ## OTel Attributes Attributes reserved for OpenTelemetry | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `otel.status_code` | string | Name of the code, either "OK" or "ERROR". MUST NOT be set if the status code is UNSET. | `OK`; `ERROR` |  | | `otel.status_description` | string | Description of the Status if it has a value, otherwise not set. | `resource not found` |  | --- `otel.status_code` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `ERROR` | The operation contains an error. |  | | `OK` | The operation has been validated by an Application developer or Operator to have completed successfully. |  | ## OTel Scope Attributes Attributes used by non-OTLP exporters to represent OpenTelemetry Scope's concepts. | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `otel.scope.name` | string | The name of the instrumentation scope - (`InstrumentationScope.Name` in OTLP). | `io.opentelemetry.contrib.mongodb` |  | | `otel.scope.version` | string | The version of the instrumentation scope - (`InstrumentationScope.Version` in OTLP). | `1.0.0` |  | ## Deprecated OTel Library Attributes Describes deprecated otel.library attributes. | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `otel.library.name` | string | Deprecated. Use the `otel.scope.name` attribute | `io.opentelemetry.contrib.mongodb` | 
Use the `otel.scope.name` attribute. | | `otel.library.version` | string | Deprecated. Use the `otel.scope.version` attribute. | `1.0.0` | 
Use the `otel.scope.version` attribute. |