I need help with the [flush] object

I am looking for help with the [flush] object. I am ultimately trying to avoid a polyphonic sound coming out of my sampler. Right now I am simply trying to test the [flush] object by connecting [makenote] to the in-ports of [flush] and then the out-ports of [flush] to the in-ports of [noteout]. For some reason a signal never makes it to the [noteout]. My set up is virtually identical to the one in the max for live tutorial that first introduces [flush]. I feel like I am missing something very simple here, can anyone help me? While I am here, what is the difference between [flush] and [midiflush]?