HI , Im using GrowthBook for a while and i successfully implemented an A/B tests. Now i want to create a test that display 3 different UI banners against the control version A ->B A->C A->D How can i implement this scenario with Growthbook

Hi Miki, when you create a new experiment there is an "add another variation" button. You can click on that to add variations:

how can implement it using react and dose wight traffic is handled by the framework ?

Yes, as you can see in the picture I posted the weights are all set in Growthbook UI. You could click customize split if you did not want them all to be evenly seen. Here are the docs on implementing experiments using React SDK: https://docs.growthbook.io/lib/react#experimentation-ab-testing