Tahoe sunroof part

[bjbbiker]

So just opening my sunroof and this falls out. Any clue what it is? If you Know what it is, do you know how to reinstall it? Thx

Edit: pics in the links below

 

[bjbbiker]

Guess the pic never uploaded. Sorry

https://ibb.co/zsYh1pn
https://ibb.co/bzJGPbZ
https://ibb.co/QPftf2k
https://ibb.co/3mqmk1S