Moore documented the protest, including his venture behind enemy lines, in the Facebook video.

But as he tweeted, Trump never came down.

I was able to get into Trump Tower & deliver him a message: You lost.

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Credit: Yana Paskova/Getty Images

Step aside,' he posted to Twitter.

SS took the note I wrote up & went 2 give it to him.

He later remarked (viaThe Washington Post) that the visit went well and they didnt kick me out.

Initially a supporter of Bernie Sanders, Moore turned his focus to bolstering Hillary Clintons campaign.

Last month he dropped a surprise documentary calledMichael Moore in Trumplandabout his one-man show he performed in Ohio.

The film focused primarily on how he came to support Clinton.

In the aftermath of Trumps win, Moore tweeted, The American Brexit.

In June, Britain voted to leave Europe.

Yesterday, America voted to leave America.

Watch video of Moore at the New York protest below.