How to Integrate Log Analytics with SCOM

1. In the Operations Manager console, select the Administration workspace.
2. Expand the Operations Management Suite node and click Connection.
3. Click the Register to Operations Management Suite link.
4. On the Operations Management Suite Onboarding Wizard: Authentication page, enter the email address or phone number and password of the administrator account that is associated with your OMS subscription, and click Sign in.
5. After you are successfully authenticated, on the Operations Management Suite Onboarding Wizard: Select Workspace page, you are prompted to select your OMS workspace. If you have more than one workspace, select the workspace you want to register with the Operations Manager management group from the drop-down list, and then click Next.
6. On the Operations Management Suite Onboarding Wizard: Summary page, confirm your settings and if they are correct, click Create.
7. On the Operations Management Suite Onboarding Wizard: Finish page, click Close.

Reference Link

https://docs.microsoft.com/en-us/azure/log-analytics/log-analytics-om-agents