I assume you are trying to forward the events of your Cisco devices to Orion NPM.
You can do this using Syslog protocol.
On the Orion server, there is a service named "SolarWinds Syslog Service", it is intended to collect Syslog messages sent from network devices.
Ensure it is started if you want to start collecting Syslog messages.
If you search quickly on the internet you will find how to enable forwarding of the events through the syslog protocol on Cisco Devices. Below an article:
You should take the time to read the chapter on Syslog in the Orion administration guide. It will give you the details you need to manage the collected messages.