Was removing my rear lamp to change a bulb and the connecter pins that hold lamp to the body one of them snapped.

they are the little screw things on outside of the lamp. Any idea what the part is exactly called or even part number?

can’t seem to find it anywhere seen it called a secure pin or connecting pin.

Parts can vary so much from one model and year to others you might need a VIN to be exact but for this try a look at links for perhaps parts description or to see if it's part of an assembly, er, part.  Note these usually refer to left hand drive vehicles.

 

https://www.skoda-parts.com/catalog/octavia-3/spare-parts/electrical-equipment/lights/taillights-500.html

 

https://7zap.com/en/catalog/cars/Skoda/Octavia/Octavia (2014 - 2017)/

 

Or you could try looking and or asking on the 'Skoda Octavia Mk III (2013 - 2020)' forum of this site. - https://www.briskoda.net/forums/forum/235-skoda-octavia-mk-iii-2013-2020/

 

HTH.