Jakarta – This online seminar collaborated between the LSPR Youth Diplomacy Community and the LSPR Public Speaking Club. Through the Zoom application, the seminar titled The Art of Diplomatic Communication: Argumentation & Mannerism took place very exciting. The seminar held on Friday 3 July 2020 invited Deputy Chief of Mission at Indonesia in Beijing, Mr. Dino Kusnadi and led by Jessica Wongsodiharjo as the moderator. The 90-minute seminar was attended by dozens of participants who had registered through the distributed form. In this seminar, Mr. Dino Kusnadi provides formal and informal communication experience, this is done in order to form a good flow of communication without any hidden meaning that will one day cause unpleasant feelings.