public Task Do(IDictionary <string, object> stepParameters, IDictionary <string, object> pluginParameters, IList <IRpcClient> clients)
{
Log.Information($"Stop connections...");
var data = new Dictionary <string, object>();
SignalRUtils.AddMethodAndType(data, stepParameters);
return(Task.WhenAll(from client in clients
select client.QueryAsync(data)));
}