How do I find clip board in my IPhone 12?

Hello, MJGUY! Thanks for reaching out to Apple Support Communities. 

We've reviewed your question and it looks like you are wanting information about a clipboard type feature on your iPhone. Allow us to assist with that. While there is not a specific app or feature that allows you to access the previously copied text or data, you can paste the content into any text space to view the data. 

In addition, this feature may be useful to you if you need to share copy/paste data between your Apple devices: Use Universal Clipboard to copy and paste between your Apple devices.

If you have follow-up questions, please let us know. We're here for you. Have a fantastic day!