Add FAQ to Linked Events page

Author: pwseg

src/unify/linked-profiles/linked-events.md

@@ -205,6 +205,17 @@ Linked Events uses the existing Audit Trail in your Segment workspace. To view y
 
 You can define a schedule for refreshing the linked data from your data warehouse.
 
+#### How do I use entities in my data graph with Linked Events?
 
+To use entities with Linked Events, you'll need to set the `enrichment_enabled` flag to `true`. Here's the sample code:
 
+```
+# Define an entity and indicate if the entity will be referenced for Linked Events (enrichment_enabled=true)
 
+entity "account-entity" {
+     name = "account"
+     table_ref = "CUST.ACCOUNT"
+     primary_key = "id"
+     enrichment_enabled = true
+}
+```