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Proof of accommodation is usually required for entry. You can get a copy of letter similar to this and it will be considered a valid proof of accommodation (I used same format many times for my friends visiting me).
Present this letter only if you are asked to present a proof.
To, Immigration Officer, UAE
This is to confirm the invitation of my friend,
<Your Name> ( Indian passport number XXXX of address,
<< YOUR ADDRESS in Passport >>>
to spend a few days with me at my home address
between the dates xxx and xxx.
I am attaching a copy of my UAE employment pass issued
to my passport (number : xxxxxxxxxx)
and a past copy of xxxxx as address proof.
I undertake to ensure that <Your name> terms of their visa
and exits UAE accordingly.
<Attach copy of the above mentioned documents>