Inscrivez-vous ou connectez-vous pour rejoindre votre communauté professionnelle.
by letting everyone must know they are appreciated
It depends on the type of success. The celebration could be in the form of:
Awarding ceremony
Seminar
Publicity of the Achievement
Party (Could be a dinner or just a special "Let's all go for Lunch" occasion
But Alhamdulillah before celebration I oftend remind people to offer their thanks to Allah for granting them success.