U.S. Ambassador to the United Nations Nikki Haley Nimrata (Nikki) Haley'The soul' versus 'law and order' Author Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' GOP lobbyists pleasantly surprised by Republican convention MORE warned the international body on Tuesday that the U.S. "will be taking names" when the U.N. General Assembly votes this week on a resolution urging the Trump administration to withdraw its recognition of Jerusalem as Israel's capital.

"At the UN we're always asked to do more & give more," Haley wrote on Twitter. "So, when we make a decision, at the will of the American ppl, abt where to locate OUR embassy, we don't expect those we've helped to target us. On Thurs there'll be a vote criticizing our choice. The US will be taking names."

At the UN we're always asked to do more & give more. So, when we make a decision, at the will of the American ppl, abt where to locate OUR embassy, we don't expect those we've helped to target us. On Thurs there'll be a vote criticizing our choice. The US will be taking names. pic.twitter.com/ZsusB8Hqt4 — Nikki Haley (@nikkihaley) December 19, 2017

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The General Assembly is set to hold an emergency session Thursday regarding President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE's decision to recognize Jerusalem as Israel's capital. The body is expected to vote on a resolution calling on the U.S. to reverse the move.

The anticipated General Assembly vote comes days after Haley vetoed a U.N. Security Council resolution that would seek to nullify any move to recognize Jerusalem as Israel's capital. That resolution did not specifically mention Trump or the U.S., but was a clear effort to rebuke the president.

Haley defended the veto on Monday, saying that the Security Council resolution was an affront to U.S. sovereignty.

"What we witnessed here in the Security Council is an insult," she said. "It won’t be forgotten."

While the U.S. is among the five countries that wield veto power on the Security Council, it has no such veto power in the General Assembly.

The resolution on Jerusalem would not be legally binding, so the vote is largely symbolic.

Haley's tweet on Tuesday was not her first time warning that the U.S. would be "taking names" at the U.N. She similarly used the line in January, shortly after taking office, when she advised countries not to cross the U.S.

Trump's Jerusalem decision upended decades of U.S. policy on Jerusalem, and has threatened to derail future peace talks between the Israelis and Palestinians — talks that Trump has vowed to broker.

Israel has long considered Jerusalem its capital, but Palestinians have aspired to establish the eastern sector of the city as the capital of a future Palestinian state.