Add info about Customer Disclaimer Responses

Author: joeynmq

src/connections/sources/catalog/cloud-apps/facebook-lead-ads/index.md

@@ -96,6 +96,16 @@ See the example below:
 }
 ```
 
+## Customer Disclaimer Responses
+
+If any checkboxes on the Custom Disclaimer form in Facebook are selected, the `custom_disclaimer_responses` field will be included in the data request sent to Segment. For more information, please refer to [Facebook's documentation](https://developers.facebook.com/docs/marketing-api/guides/lead-ads/retrieving#reading-custom-disclaimer-responses).
+
+Segment recommends adding the `checkbox_key` in your source settings to ensure that our integration accurately checks custom disclaimer responses. If no custom disclaimer checkboxes are selected, Segment will not forward lead information to the source.
+![image](https://github.com/user-attachments/assets/8c60b239-9ea5-430f-af09-d39603ced6fb)
+
+However, if no `checkbox_key` is added to Segment's source settings, our integration will send lead information by default, regardless of custom disclaimer selections.
+
+
 ## Adding Destinations
 
 Now that your Source is set up, you can connect it with destinations. 
@@ -140,7 +150,6 @@ Destinations that can be used with the Facebook Lead Ads Source:
 
 Log into your downstream tools and check that your events are populating, and contain all of the properties you expect. If all your events and properties are not showing up, refer to the [Destination docs](/docs/connections/destinations/) for troubleshooting.
 
-
 ## Troubleshooting
 
 ### No Data After Updating Credentials