def METHOD_NAME(assessment_name: Optional[pulumi.Input[str]] = None,
                          group_name: Optional[pulumi.Input[str]] = None,
                          project_name: Optional[pulumi.Input[str]] = None,
                          resource_group_name: Optional[pulumi.Input[str]] = None,
                          opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetAssessmentResult]:
    """
    Get an existing assessment with the specified name. Returns a json object of type 'assessment' as specified in Models section.
    Azure REST API version: 2019-10-01.
    :param str assessment_name: Unique name of an assessment within a project.
    :param str group_name: Unique name of a group within a project.
    :param str project_name: Name of the Azure Migrate project.
    :param str resource_group_name: Name of the Azure Resource Group that project is part of.
    """
    ...