GeezerVison

| Environment variable | Description | Utility | Default |

| ----------------------------------------- | -------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------- | --------------------- |

| **POWERTOOLS_SERVICE_NAME** | Sets service name used for tracing namespace, metrics dimension and structured logging | All | `"service_undefined"` |

| **POWERTOOLS_METRICS_NAMESPACE** | Sets namespace used for metrics | [Metrics](./core/metrics){target="_blank"} | `None` |

| **POWERTOOLS_TRACE_DISABLED** | Explicitly disables tracing | [Tracing](./core/tracer){target="_blank"} | `false` |

| **POWERTOOLS_TRACER_CAPTURE_RESPONSE** | Captures Lambda or method return as metadata. | [Tracing](./core/tracer){target="_blank"} | `true` |

| **POWERTOOLS_TRACER_CAPTURE_ERROR** | Captures Lambda or method exception as metadata. | [Tracing](./core/tracer){target="_blank"} | `true` |

| **POWERTOOLS_TRACE_MIDDLEWARES** | Creates sub-segment for each custom middleware | [Middleware factory](./utilities/middleware_factory){target="_blank"} | `false` |

| **POWERTOOLS_LOGGER_LOG_EVENT** | Logs incoming event | [Logging](./core/logger){target="_blank"} | `false` |

| **POWERTOOLS_LOGGER_SAMPLE_RATE** | Debug log sampling | [Logging](./core/logger){target="_blank"} | `0` |

| **POWERTOOLS_LOG_DEDUPLICATION_DISABLED** | Disables log deduplication filter protection to use Pytest Live Log feature | [Logging](./core/logger){target="_blank"} | `false` |

| **POWERTOOLS_PARAMETERS_MAX_AGE** | Adjust how long values are kept in cache (in seconds) | [Parameters](./utilities/parameters/#adjusting-cache-ttl){target="_blank"} | `5` |

| **POWERTOOLS_PARAMETERS_SSM_DECRYPT** | Sets whether to decrypt or not values retrieved from AWS SSM Parameters Store | [Parameters](./utilities/parameters/#ssmprovider){target="_blank"} | `false` |

| **POWERTOOLS_METRICS_NAMESPACE** | Sets namespace used for metrics | [Metrics](./core/metrics.md){target="_blank"} | `None` |

| **POWERTOOLS_TRACE_DISABLED** | Explicitly disables tracing | [Tracing](./core/tracer.md){target="_blank"} | `false` |

| **POWERTOOLS_TRACER_CAPTURE_RESPONSE** | Captures Lambda or method return as metadata. | [Tracing](./core/tracer.md){target="_blank"} | `true` |

| **POWERTOOLS_TRACER_CAPTURE_ERROR** | Captures Lambda or method exception as metadata. | [Tracing](./core/tracer.md){target="_blank"} | `true` |

| **POWERTOOLS_TRACE_MIDDLEWARES** | Creates sub-segment for each custom middleware | [Middleware factory](./utilities/middleware_factory.md){target="_blank"} | `false` |

| **POWERTOOLS_LOGGER_LOG_EVENT** | Logs incoming event | [Logging](./core/logger.md){target="_blank"} | `false` |

| **POWERTOOLS_LOGGER_SAMPLE_RATE** | Debug log sampling | [Logging](./core/logger.md){target="_blank"} | `0` |

| **POWERTOOLS_LOG_DEDUPLICATION_DISABLED** | Disables log deduplication filter protection to use Pytest Live Log feature | [Logging](./core/logger.md){target="_blank"} | `false` |

| **POWERTOOLS_PARAMETERS_MAX_AGE** | Adjust how long values are kept in cache (in seconds) | [Parameters](./utilities/parameters.md#adjusting-cache-ttl){target="_blank"} | `5` |

| **POWERTOOLS_PARAMETERS_SSM_DECRYPT** | Sets whether to decrypt or not values retrieved from AWS SSM Parameters Store | [Parameters](./utilities/parameters.md#ssmprovider){target="_blank"} | `false` |

| **POWERTOOLS_DEV** | Increases verbosity across utilities | Multiple; see [POWERTOOLS_DEV effect below](#optimizing-for-non-production-environments) | `false` |

| **LOG_LEVEL** | Sets logging level | [Logging](./core/logger){target="_blank"} | `INFO` |

| **LOG_LEVEL** | Sets logging level | [Logging](./core/logger.md){target="_blank"} | `INFO` |

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