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If you are intending to send only one message to trigger a function in a Neural DSP plugin, be sure to set the MIDI Type to CC Toggle. The CC message needs to have a value of 127.

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Quad Cortex

Controlling the Looper

When controlling REC/STOP, PLAY/STOP etc via MIDI on the QC, the Looper UI needs to be accessed via MIDI i.e assigning the Looper UI to a Preset and then accessing it via MIDI. If you access the Looper UI via the QC directly, the MIDI commands will not work.