add faq

Author: niallzato

src/connections/destinations/catalog/actions-pinterest-conversions-api/index.md

@@ -74,6 +74,10 @@ Conversion Events must meet the following requirements to be considered for dedu
 > info ""
 > Segment offers a client-side destination specifically designed for the Pinterest Tag. You can find detailed documentation and further information on how to implement this integration by following this [link](https://segment.com/catalog/integrations/pinterest-tag/){:target="_blank”}.
 
+### Events failing to send due to no App Name set
+
+App Name is a mandatory field for many of the mappings. For Segment's mobile libraries, the App Name will be automatically collected and mapped to the correct field. However, for our web or server-based libraries, we do not automatically collect this field, which can cause the mapping to fail. We recommend adding the App Name to the Segment event, or hardcoding a static string in the mapping as the App Name.  
+
 ## Limited Data Processing
 Starting from Jan 1, 2023, Pinterest introduced the Limited Data Processing flag as per California Consumer Privacy Act (CCPA). With this flag set Pinterest will allow advertisers  to comply with CCPA.