WATCH LIVE: ABC News coverage of the Republican National Convention
A roll call vote would have allowed individual delegates to vote against Trump, which many say would have failed, but which shows a sign of division in the party.
Despite the early drama inside, outside there were rowdy protests.
Still, security at the RNC in Cleveland is at unprecedented levels. There is mesh fencing all around the inner street areas near the Quicken Loans Arena. Bomb-sniffing dogs and some 3,000 police from Ohio and as far away as California are on hand. It made for long lines and long waits for delegates to get inside.
RELATED: Newt Gingrich explains his calls to 'test' Muslims in America
"I think it's better to be safe than sorry," said Eddy Willard, and RNC delegate.
Ohio is an open carry state and protestors outside the secure zone are allowed to carry both long and hand guns.
Inside the arena, a revolt by those who chanted "Never Trump" but the protest was quickly drowned out by cries of "U-S-A!" from the larger delegation.
A demand for a roll call vote on the convention floor was quickly squelched as well with a quick and contentious voice vote.
San Mateo County delegate Corrin Rankin is among those who say they are ready to set aside differences and support Donald Trump.
"What do you need to hear from Donald Trump this week to unite this party?" the reporter asked. "As far as I can tell, our party is united," she said.
"I think by the end, when we all come together and realize, he is our nominee, he's the republican running against Hillary Clinton in November and we need to support him," said Claire Chiara, a Berkeley delegate.
RELATED: Donald Trump confirms Indiana Gov. Mike Pence as running mate
ABC7 anchor Reggie Aqui and reporter Laura Anthony are reporting live from the RNC in Ohio. You can follow them on social media:
Click here to follow Reggie on Facebook and click here for Twitter. Track Laura Anthony on Facebook here and follow her Twitter here.
For full election coverage, click here.
OK Gov. Mary Fallin praises platform committee's "commitment to unity" minutes after disruption over rules vote. https://t.co/DnV6rJd0Kz— ABC News Politics (@ABCPolitics) July 18, 2016