Rep. Adam Schiff Adam Bennett SchiffOvernight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies Intelligence chief says Congress will get some in-person election security briefings MORE (D-Calif.) called out President Trump for his “broken promises” after the president declared that Mexico will still pay for a wall along its border with the United States.

Trump’s promise to make Mexico pay for the wall was a key pledge of his campaign.

But since then, Trump’s rhetoric on the wall has softened. After his election, Trump said it was more likely that Mexico would reimburse the U.S. for costs associated with building the wall rather than fund it outright.

He tweeted Sunday about the issue.

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“Eventually, but at a later date so we can get started early, Mexico will be paying, in some form, for the badly needed border wall,” Trump wrote Sunday morning, drawing ire from Democrats such as Schiff.

Eventually, but at a later date so we can get started early, Mexico will be paying, in some form, for the badly needed border wall. — Donald J. Trump (@realDonaldTrump) April 23, 2017

Let's be honest @POTUS, Mexico will never pay for a wall. Taxpayers will bear the brunt of this and all your broken promises. https://t.co/9Pg395et84 — Adam Schiff (@RepAdamSchiff) April 23, 2017

“Mexico will never pay for a wall,” Schiff tweeted. “Taxpayers will bear the brunt of this and all your broken promises.”

Funding for the border wall is at the center of the current budget debate. Congress must pass a bill this week to avoid a government shutdown, but Trump has refused to say whether he will sign a government spending bill that doesn’t include funding for the wall.

“I don't want to comment. I just don't know yet. I mean, I have to see what's going on. I really do,” Trump told The Associated Press.