How to do reverse proxy using cloud flare ingress

After login abc site t if anyone try to access /abc.net/crypto.txt
then it will be routing to /cde.net/crypto.txt. For that I have written in Cloudflare config file below. but it is not working. Can anyone help me on that
ingress:
- hostname:
path: crypto.txt
service:
- service: http_status:404