Advance directive
Advance directive is the general term that refers to the various documents that could include a living will, instruction directive, health care proxy or health care power of attorney. A living will (or instruction directive) alerts medical professionals and your family to the treatments you want to receive or refuse.
Helpful Links
https://smartasset.com/estate-planning/how-an-advance-directive-differs-from-a-living-will
https://www.mayoclinic.org/healthy-lifestyle/consumer-health/in-depth/living-wills/art-20046303
https://eforms.com/living-will/
https://money.usnews.com/money/personal-finance/family-finance/articles/questions-to-ask-before-writing-a-living-will