def METHOD_NAME(dev_center_name: Optional[str] = None,
                         environment_type_name: Optional[str] = None,
                         resource_group_name: Optional[str] = None,
                         opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetEnvironmentTypeResult:
    """
    Gets an environment type.
    Azure REST API version: 2023-04-01.
    :param str dev_center_name: The name of the devcenter.
    :param str environment_type_name: The name of the environment type.
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    """
    __args__ = dict()
    __args__['devCenterName'] = dev_center_name
    __args__['environmentTypeName'] = environment_type_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:devcenter:getEnvironmentType', __args__, opts=opts, typ=GetEnvironmentTypeResult).value
    return AwaitableGetEnvironmentTypeResult(
        id=pulumi.get(__ret__, 'id'),
        name=pulumi.get(__ret__, 'name'),
        provisioning_state=pulumi.get(__ret__, 'provisioning_state'),
        system_data=pulumi.get(__ret__, 'system_data'),
        tags=pulumi.get(__ret__, 'tags'),
        type=pulumi.get(__ret__, 'type'))