Thanks for reaching out. Yes, you can add a core WordPress custom field.
- Open a post in the editor.
- Click the three dots icon in the top-right corner > go to Preferences > General.
- Scroll down, enable Custom fields, and save. img
- Now, in the editor, scroll to the bottom and you’ll see the Custom fields option.
- You can either select an existing custom field or create a new one.
- Enter your value and save the changes. image for reference
Next, go to Grid > Query Builder:
- Under Order by, choose the last option: Meta Value Number.
- Then, scroll to Meta Key and paste or type the key name you added to the post. img
Your corresponding posts will now be displayed.
I hope this clears things up! If you found this helpful , Would appreciate your feedback on WordPress . Thanks Again.