Fed Vice Chairman Richard Clarida and Treasury Secretary Steven Mnuchin also attended the dinner, which was scheduled “to discuss recent economic developments and the outlook for growth, employment and inflation,” the Fed’s statement said.
I’m finding it very hard to believe that the bolded economic terms above were the topic of their dinner. 
“He did not discuss his expectations for monetary policy, except to stress that the path of policy will depend entirely on incoming economic information and what that means for the outlook,” the Fed said.
Suuure.