https://lh5.googleusercontent.com/scTWW4TTZu46U4zUsG3dorfUHq8BrfuuCvWV9P4K9Gkt3STaYP-sorEPBOeHls3dFzHVBaVbWzbrFa3GC-t9LqLseLrWtytwRFTmwdve1bSC9M3mI2-AvB2HrdYqiAt3wY0u1QHg
You need a complete material based on the BSDF node
https://lh5.googleusercontent.com/vfeDHPQ0BgLdNPRRbnHsIaWyIb5k9rKFVMIMHSe_HKuELZyQ4fk_MJdxyuoJh7T52Q4hf8KPKLKRbAUfE9_PYv7_mrD4MEDL47sDHKU6bYEpkU-DPsHlywFL0VBurusLGR24-58f
If the required connection is missing, you will see a warning. Don’t worry, everything is fine, you just need to connect the appropriate node
https://lh3.googleusercontent.com/YC_x9uRdG-6yT7DFydvWVhwChLFzjjBTUu0GEtWSXWu898QDP-gXH9aScBqnRQvUqatir4Dh4pj438o-3Qgu2oB2hOFLEcD62oiG9HufyOuBJyuQuLybQ0qcpxKOtpllyvGgK_pT
In order for the menu to appear, you need to select any object
https://lh3.googleusercontent.com/M9BYuWkdaJWV9Ex_TMp9jHQajPBCsSkZzu9oDED-HU8Q-uPgbzAhawHclowqYnmFA76pmDVWgfLOFGNowuZRPMeT8FFZ8U6r7Uk_qLDrphg-SjV08_RUMBKuASHPbs0vNm2a5iuG
Where is the menu?
Display in Material Preview mode
Display render preview
https://lh4.googleusercontent.com/6VHeEimKzy_jRoFPuDKCViYwHXXE364Rh700f1njDtQZKA2d1kDZadeApM87qiMoLOkz2x5yWN7t_fhpdI_8uxeRPDiOIAaWdEtOmhFBLDCc8WC6GOUxfGJ21prcVInLs5g8ToGG