var mixpanel = require('mixpanel');

var mp_client = new mixpanel.Client('YOUR MIXPANEL TOKEN');
mp_client.identify("some unique client id");
mp_client.name_tag("client username");

mp_client.track("my event", {
	as: "many",
	properties: "as",
	you: "want"
}, function(err) {
	if(err) throw err;
});

// manual funnel tracking is supported, but not recommended
mp_client.track_funnel("my funnel", 1, "first goal", {
	distinct_id: "unique identifier"
}, function(err) {
	if(err) throw err;
});
mp_client.track_funnel("my funnel", 2, "second goal", {
	distinct_id: "unique identifier"
}, function(err) {
	if(err) throw err;
});