An "endorsement event" refers to a gathering or occasion where a person publicly supports or recommends a product, service, or candidate, typically through their presence, speech, or written statement. Full definition
... that was the main message delivered by Sen. Eric Schneiderman and US Sen. Chuck Schumer at today's endorsement event for the Manhattan state lawmaker's AG bid. (nystateofpolitics.com)
«I don't know what his strategy is,» Mr. Díaz told Politicker last night at a de Blasio endorsement event when asked for his thoughts on the Carrión campaign. (observer.com)
Here's former NYC Mayor Rudy Giuliani at an endorsement event for NY - 20 Republican candidate Chris Gibson earlier today, explaining his thinking on Carl Paladino (never met the man) and also insisting that he doesn't regret not running for governor himself. (nystateofpolitics.com)