Please How can I capture and integrate a single pulse of a DC signal from an external circuit

Hello everyone
I am trying to integrate a signal from an external circuit I have built. I want to capture just a single pulse from the signal and integrate it. Please can anyone assist me with how I can perform this?

The 6008 has no hardware analog trigger, so to capture a single pulse, you will need to trigger in software.  It does have a digital trigger, so if you have a digital way to signal the start of your pulse, it would make your life easier.  You will need to ensure you take enough data to get an entire pulse.  At that point, use one of the trigger VIs to find the start (and possibly end) of your signal.  Take a subset of your data and integrate it (LabVIEW does support integration).
If you have trouble finding anything, let us know.  Find the trigger and integration VIs using the search feature of the palettes.
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