Probably best if you just called his office or maybe they have contact info on your favorite site ecdems.com that you post more than anyone, so, naturally, you would recall their website. They have to have some type of contact on there.
I can only guess that he would maybe say thanks to Obama for giving the country an economy that continues to grow.
Sadly, Trump gave all the goodies to the super top tier of wealthy individuals in the country, while giving the middle class table scraps.
Trump = Broken Promises of course no surprise there.