Diplomatic function
A diplomatic function or diplomatic soirée was a diplomatic function used to interact with diplomats in an official or unofficial social setting. 

Following the 2293 meet-and-greet between Captains James T. Kirk, Spock, and the rest of the 's senior staff with Klingon chancellor Gorkon and his senior staff, which included a tour of the starship, followed by dinner, Kirk later noted in his log to note to the galley that Romulan ale was no longer to be served at diplomatic functions. ()

According to Ensign Ro Laren, the Bajoran ad hoc leader, Jas Holza, was a nobody. "He's the token Bajoran that respectable people invite to symposiums and diplomatic soirees." ()

See also 
 Diplomatic conference

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