Can I sell staked Ethereum on Coinbase?

Could you please elaborate on whether it's possible to sell staked Ethereum on the Coinbase platform? I'm interested in understanding the process and any potential limitations or considerations that might apply. Additionally, are there any specific requirements or steps I need to take in order to accomplish this transaction? I'd appreciate it if you could provide a detailed answer to help me make an informed decision. Thank you in advance for your assistance.