Hi! After you create your items, you can multi-select them and choose Rename (CTRL+R). In the dialog press current name, then a space or a dash or whatever, and then choose Number

Have a look at this plugin, worked well for me.

Thank Tom!

really nice plugin, I am making a whitepaper in Figma and it help me a lot. but here is a problem. when client want to add another page in between the i need to start numbering from start.

any solution for this?