Tax on withdrawn UK private pension when living in UAE for 6 years

I have been living in UAE for 6 years and working for companies over here. I have requested a transfer out value on my private pension and wish to withdraw all of it to my bank over here as I pay zero tax. I understand that I need to get a document from the government here to prove my residency and tax status then apply to HMRC for a NT tax code before I draw the pension down but I don't know how and which forms I need to fill in and which order I do this in - I'm at the very start of the process and am keen to do this myself. Can anyone please advise?

Hi,
Please refer to guidance at  Tax on your UK income if you live abroad
Thank you.