Make part of a writable book read only

Question

I want to make an input system tool for some data packs, and add buttons to press when you are done inputting.  The problem is the person inputting text, can delete the buttons, and then the input won’t get processed.  Is there a way to make part of a writable book read only?  I thought of continually modifying the book to keep in the buttons, but I’m pretty sure it will kick you out of the book.  Any help?

ExpertCoder14 · Answer

If you want the text to be locked in when they submit, a alternative would to tell the player to sign the book when they're done, and test for a written_book in the inventory.
/say Enter your text, and sign the book when you're done!
/execute if entity @p[nbt={Inventory:[{id:"minecraft:written_book"}]}] run say Thanks for writing your text!

Make part of a writable book read only

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