diff --git a/Apps/Holonica/HlGroup.class.st b/Apps/Holonica/HlGroup.class.st
index e26fa64..07b3704 100644
--- a/Apps/Holonica/HlGroup.class.st
+++ b/Apps/Holonica/HlGroup.class.st
@@ -8,3 +8,38 @@ Class {
 	],
 	#category : #Holonica
 }
+
+{ #category : #accessing }
+HlGroup >> name [
+
+	^ name
+]
+
+{ #category : #accessing }
+HlGroup >> name: anObject [
+
+	name := anObject
+]
+
+{ #category : #accessing }
+HlGroup >> period [
+
+	^ period
+]
+
+{ #category : #accessing }
+HlGroup >> period: datesString [
+	period := datesString
+]
+
+{ #category : #accessing }
+HlGroup >> persons [
+
+	^ persons
+]
+
+{ #category : #accessing }
+HlGroup >> persons: anObject [
+
+	persons := anObject
+]