How to enable sharepoint feature using CSOM

public void ActivateFeature(string webFullUrl,Guid featureId,bool force,FeatureDefinitionScope featdefScope)
{
using (var ctx = new ClientContext(webFullUrl))
{
var features = ctx.Web.Features;
ctx.Load(features);
ctx.ExecuteQuery();
features.Add(featureId, force, featdefScope);
ctx.ExecuteQuery();
}
}