Applying to preserve residency

[machita]

I am getting ready to n-470 to preserve residency. My company is sending me to UAE for one week period which will leads to other long back and forth trips there. I need to file n-470 to preserve residency for naturalization. I have already lived here for more than one year as a permanent resident. My questions are:

1. Where do I find a sample communication letter as a support document?
2. What do I write in it?

Thank you in advance.

 

[Jackolantern]

I have already lived here for more than one year as a permanent resident.

One year with zero trips outside the US?

1. Where do I find a sample communication letter as a support document?
2. What do I write in it?

You don't write it, your employer writes it. The N-470 instructions explain what should be in the letter.