Hello
There is not a lot of information you are sharing with us, what you actually try to achieve. Based on the available information, this article might be of help for your. https://learn.microsoft.com/en-us/azure/data-factory/control-flow-webhook-activity?WT.mc_id=AZ-MVP-5004129
In case this does serve to solve your problem, please mark this as the answer as a token of appreciation.
Otherwise, please do not hesitate to specify your question.
Best Regards.