Boron 3rd party sim insertion

Is there a visual on how to place a 3rd party sim in the boron? I see the slot underneath, but am not sure of the card orientation…

Thanks for any help!

Pads facing the PCB - notched corner forward - there is a diagram on the SIM holder itself: 3rd of the way down here: https://docs.particle.io/datasheets/cellular/boron-datasheet/

I see that now! Thanks!