"Our team will monitor every key influential figure and key opinion leader to make sure the situation remain cool during the election 2019 process," Uno said here on Sunday.
The team will impose firm action if it finds a supporter spreading hoax or false news, and will event report the case to police, he added.
The Prabowo Subianto-Sandiaga Uno pair is committed to maintaining peace during the election process by applying three rulings to the campaign team.
Any information should be verified first, useful, and does not hurt any one, he stated, adding that false news would not be tolerated.
Besides, he also urged supporters to convey campaign messages which are cool, promote unity and brotherhood.
Two presidential candidates, Prabowo-Uno, and incumbent Joko Widodo and his pair, Maruf Amin, on Sunday morning, attended Peace Declaration campaign aimed at maintaining peace during the presidential and legislative election process.
They signed an integrity pact stating their pledge to uphold democratic, free, fair and just elections.
They also promised to maintain peace, order, and integrity during the elections which should be free from hoax, from money laundering and from religious and race issues.
Organized by the General Election Commission (KPU), the declaration of peaceful election campaigns was also attended by leaders of coalition parties supporting presidential candidates, Police Chief General Tito Karnavian and representatives of the Elections Supervisory Agency (Bawaslu).
The Peace Declaration event held at the National Monument (Monas) area also marked the first day of election campaign period, which is from September 23, 2018 to April 13, 2019.
Indonesia will organize direct presidential and legislative elections on April 17, 2019.
Reporting by Imam Budilaksono
Editing by Fardah Assegaf, Bustanuddin