Donald Trump said Twitter, in part, helped him win the election.

The president-elect used the tool as a megaphone, spurring hundreds of articles and TV hits a day based on what he fit into 140 characters. His fundraising campaign funneled millions of dollars into Twitter by tapping promoted tweets and other more expensive ad products.

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But despite the evident success that stemmed from the platform, one Republican National Convention staffer and Trump campaign fundraiser is quite upset that Twitter did not grant the campaign access to one specific ad product.

The issue at the table: custom hashtag emojis.

Within a $5 million spend commitment, the Trump campaign had planned to create two emojis that would appear alongside sponsored hashtags for the first debate and for the second presidential debates. Neither happened.

Emoji may seem frivolous, but Twitter itself boasts their success. When branded emoji are included in an ad, the amount of attention they receive increases by nearly 10 percent, according to a case study from Twitter.

Gary Coby, the director of advertising and fundraising for the Trump campaign, took to Twitter Sunday to air his grievances and accused the company of limiting the campaign's advertising.

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Coby elaborated on that claim in a post published to blogging platform Medium. The debacle had been covered by the Washington Examiner,a known conservative paper, last month, and by BuzzFeed Newsearlier this week.

In the blog post, Coby details the back-and-forth conversation with Twitter. Coby said the team collaborated with Twitter on the designs and reached the final step both times but that the emoji were eventually cut.

"Day after day, [Twitter] wouldn’t give us an official yay/nay and my contacts inside [Twitter] told me the new design was causing a lot of heartburn and 'big meetings' with folks at the top," Coby wrote.

Credit: gary coby

The second time the emoji was canceled, CEO Jack Dorsey and Chief Operating Officer Adam Bain joined the call.

"On the call, Jack and Adam started with a lovefest by telling us how great our use of the platform has been. They then told us a last-minute legal review was triggered and they needed to pull the emoji because there wasn’t a paid-for-by disclaimer," Coby wrote.

Where emoji differ from other ads on Twitter is that it's difficult to determine if it's an ad. Twitter will create emoji for particular events without any sponsorship. For instance, Twitter made custom emoji for the RNC and DNC conventions, as Coby noted in his post, and the debates.

Twitter denied any political bias in part since they did not allow any political organizations to sponsor an emoji.

“We have had specific discussions with several political organizations, including the Trump campaign, regarding branded emojis as part of broad advertising campaigns on Twitter. We believe that political advertising merits a level of disclosure and transparency that branded political emojis do not meet, and we ultimately decided not to permit this particular format for any political advertising," Twitter said in a statement to the Washington Examinerlast month, which was shared again following Coby's post.

Trump himself doesn't seem too deterred by the platform.

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