Here it is:
https://www.tascaparts.com/oem-parts/mazda-valve-solnd-purge-w-hose-l3p520360b
I don't know if they broke off part of the intake or the tube. If it's the tube, I'd buy a new one, if it's the intake, I'd probably try an epoxy.
It's for vacuum, if it leaks, it will probably cause...