Schlage keyway

A handy person from USA says:
Help,
I can not identify the sliding door and need a replacement lock. Can you assist me on type and cost of replacement Schlage lock?

I have attached photos of the hardware and lock. Can you help me identify it?
User submitted photos of patio door hardware.
Profile picture of Tom
Tom from SWISCO responded:
Could you possibly use our 82-310 key lock? See what you think.
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