You need to use the home button made specifically for the iPad 5th gen which is essentially a replacement iPad 5 home button.
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You can't use iPad Air 1 home buttons, I tried doing one this week with it and it did not work.
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You can't use iPad Air 1 (I have not tried the Air 2 ones which have touch ID but may work) home buttons, I tried doing one this week with it and it did not work.
You need to use the home button made specifically for the iPad 5th gen which is essentially a replacement iPad 5 home button.
You can't use iPad Air 1 home buttons, I tried doing one this week with it and it did not work.