On the sidelines of the 52nd session of the Economic Commission for Africa “The United Nations Economic Commission for Africa UNICA” from March 20 to 26, 2019 in Marrakech; we had the opportunity to participate in collaboration with other event agencies in differents aspects (Event assistance, organisation of the timeline Schedule, hostess, cleaning of spaces comited for this events …), and complexity of managing the timing and our field of intervention given that all spaces were exploited throughout the period and in leec a strict timing followed by a voting system led by general secretary of the Ministry of Finance.