I have earned Hyatt points ( 5x per $1) several times staying at MGM paying with a credit card other than Hyatt. All the points come off room charges as the rooms themselves are comped.

I was wondering if using the HYATT credit card at MGM earn 4x per $1

Can M life Rewards members earn Tier Credits at Hyatt Hotels & Resorts? Yes. M life Rewards members may present their M life Rewards card at check-in at participating Hyatt Hotels & Resorts to receive Tier Credits for their eligible spend. Membership in World of Hyatt is required.

How can I earn points in World of Hyatt for stays at M life Rewards resorts? A guest must be both a member of M life Rewards and World of Hyatt to earn World of Hyatt points on eligible stays at M life Rewards resorts. At check-in, the member must notify the Front Desk agent they would like to earn points in World of Hyatt and ask to add their M life Rewards and World of Hyatt membership numbers to their reservation.

Can I earn Base Points in World of Hyatt on folio spend even if I didn’t book an eligible hotel stay? Yes. You may charge your eligible dining, entertainment and spa spend to your room and earn Base Points in World of Hyatt for that spend, even if you are staying on an ineligible rate. Only spend charged to your hotel room will be eligible. Remember to notify the Front Desk agent that you would like to earn Base Points in World of Hyatt and add both your M life Rewards and World of Hyatt membership numbers to your reservation.

How many Base Points in World of Hyatt do I earn for stays at MGM Resorts Destinations? Members will earn 5 Base Points in World of Hyatt for every eligible dollar ($1) spent. Bonus Points for elite World of Hyatt Members are also awarded.

https://www.mgmresorts.com/content/d...guest-faqs.pdf