That's great Peter, thanks a bunch. I think I have already found a solution thanks to the previous two posts but I very much appreciate your input.
Custom certificate (plugin)
More Than One Moodle Certificate
གྲོས་བསྟུན་འདི་བསྡམས་ཡོདཔ་ལས་ ལན་གསལ་བརྐྱབ་མི་ཚུགས་