def subnet_get(name, virtual_network, resource_group, **kwargs):
    '''
    .. versionadded:: 2019.2.0

    Get details about a specific subnet.

    :param name: The name of the subnet to query.

    :param virtual_network: The virtual network name containing the
        subnet.

    :param resource_group: The resource group name assigned to the
        virtual network.

    CLI Example:

    .. code-block:: bash

        salt-call azurearm_network.subnet_get testsubnet testnet testgroup

    '''
    netconn = __utils__['azurearm.get_client']('network', **kwargs)
    try:
        subnet = netconn.subnets.get(
            resource_group_name=resource_group,
            virtual_network_name=virtual_network,
            subnet_name=name
        )

        result = subnet.as_dict()
    except CloudError as exc:
        __utils__['azurearm.log_cloud_error']('network', str(exc), **kwargs)
        result = {'error': str(exc)}

    return result