Add note on [PrimaryKey] having been introduced in EF 7

Closes dotnet#4133
roji · Nov 15, 2022 · 4d27aa2 · 4d27aa2
1 parent cb6f750
commit 4d27aa2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/entity-framework/core/modeling/keys.md b/entity-framework/core/modeling/keys.md
@@ -34,6 +34,9 @@ You can also configure multiple properties to be the key of an entity - this is
 
 ### [Data Annotations](#tab/data-annotations)
 
+> [!NOTE]
+> The `[PrimaryKey]` attribute was introduced in EF Core 7.0. Use the Fluent API in older versions.
+
 <!--
 [PrimaryKey(nameof(State), nameof(LicensePlate))]
 internal class Car