def METHOD_NAME(account_name: Optional[str] = None,
                    edge_module_name: Optional[str] = None,
                    resource_group_name: Optional[str] = None,
                    opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetEdgeModuleResult:
    """
    Retrieves an existing edge module resource with the given name.
    :param str account_name: The Azure Video Analyzer account name.
    :param str edge_module_name: The Edge Module name.
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    """
    __args__ = dict()
    __args__['accountName'] = account_name
    __args__['edgeModuleName'] = edge_module_name
    __args__['resourceGroupName'] = resource_group_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:videoanalyzer/v20211101preview:getEdgeModule', __args__, opts=opts, typ=GetEdgeModuleResult).value
    return AwaitableGetEdgeModuleResult(
        edge_module_id=pulumi.get(__ret__, 'edge_module_id'),
        id=pulumi.get(__ret__, 'id'),
        name=pulumi.get(__ret__, 'name'),
        system_data=pulumi.get(__ret__, 'system_data'),
        type=pulumi.get(__ret__, 'type'))