public override async Task AddToGroupAsync(string connectionId, string groupName, CancellationToken cancellationToken = default)
{
if (string.IsNullOrEmpty(connectionId))
{
throw new ArgumentException(NullOrEmptyStringErrorMessage, nameof(connectionId));
}
if (string.IsNullOrEmpty(groupName))
{
throw new ArgumentException(NullOrEmptyStringErrorMessage, nameof(groupName));
}
var api = await _restApiProvider.GetConnectionGroupManagementEndpointAsync(_appName, _hubName, connectionId, groupName);
await _restClient.SendAsync(api, HttpMethod.Put, _productInfo, handleExpectedResponseAsync : null, cancellationToken : cancellationToken);
}
