Add updated Event object with compliance category and security classification

Author: williamsalexisSFDC

examples/markdown/docs/custom-objects/Event__c.md

@@ -40,6 +40,25 @@ Represents an event that people can register for.
 
 *Location*
 
+---
+### Social Security Number
+
+Used to store the U.S. social security number in 9 digit format.
+
+**Compliance Category**
+PII
+
+**Security Classification**
+Internal
+
+**API Name**
+
+`ns__Social_Security_Number__c`
+
+**Type**
+
+*Text*
+
 ---
 ### Start Date
 **Required**