# Verify Your Sub-Domain with Facebook
By using Orderla we can implement domain verification by adding a meta tag to the \ section of your domain home page.
### Add your domain in Business Manager
1. In Business Manager, click on the **Business Settings** button in the upper right corner.
2. In the Business Settings, select the **Brand Safety** tab, and select **Domains** from the left side navigation list.
### Add a meta-tag
Copy the meta-tag at Orderla's homepage / Meta-tag
Next is to go to Homepage / Settinsg at ( ) and make sure to setthe 'Redirect to specific form' **Unchecked**.
Now click 'Verify Domain'
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://guides.orderla.my/orderla-plus/verify-your-sub-domain.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.