Using the B4G version 2.11.0 with Azure DevOps server.
Application.yml has the following setting:
# (Optional) Webhook secret token from the webhooks repository settings of Azure DevOps Server
After installing the certificates doing some tests and one test creates an element and pushes it to Endevor.
That generate the message below on the B4G log -
2022-08-05 17:58:23.925 ERROR 33556948 --- [https-jsse-nio-8444-exec-1] c.c.e.b.c.m.AbstractPushEventMapper : Event rejected - invalid secret: Invalid Webhook event header.