single_metric_default_dimensions_inherit.py

import os

from aws_lambda_powertools import single_metric
from aws_lambda_powertools.metrics import Metrics, MetricUnit
from aws_lambda_powertools.utilities.typing import LambdaContext

STAGE = os.getenv("STAGE", "dev")

metrics = Metrics()
metrics.set_default_dimensions(environment=STAGE)


def lambda_handler(event: dict, context: LambdaContext):
    with single_metric(
        name="RecordsCount", unit=MetricUnit.Count, value=10, default_dimensions=metrics.default_dimensions
    ) as metric:
        metric.add_dimension(name="TableName", value="Users")