Hi @Rob_Lemmens - please refer to the API documentation:

https://docs.databricks.com/api/workspace/secrets/createscope

https://docs.databricks.com/api/workspace/secrets

curl -X POST https://<databricks-instance>/api/2.0/secrets/scopes/create \
-H "Authorization: Bearer <your-access-token>" \
-d '{
"scope": "my-scope",
"initial_manage_principal": "users"
}'

Replace <databricks-instance> with your Databricks workspace URL and <your-access-token> with your Databricks access token.

https://learn.microsoft.com/en-us/azure/databricks/dev-tools/ci-cd/auth-with-azure-devops