diff --git a/Apps/Holonica/HlGroup.class.st b/Apps/Holonica/HlGroup.class.st
new file mode 100644
index 0000000..e26fa64
--- /dev/null
+++ b/Apps/Holonica/HlGroup.class.st
@@ -0,0 +1,10 @@
+Class {
+	#name : #HlGroup,
+	#superclass : #Object,
+	#instVars : [
+		'name',
+		'period',
+		'persons'
+	],
+	#category : #Holonica
+}
diff --git a/Apps/Holonica/package.st b/Apps/Holonica/package.st
new file mode 100644
index 0000000..dc8d71a
--- /dev/null
+++ b/Apps/Holonica/package.st
@@ -0,0 +1 @@
+Package { #name : #Holonica }