diff --git a/5_inventaire/foo.yml b/5_inventaire/foo.yml
new file mode 100644
index 0000000..5357805
--- /dev/null
+++ b/5_inventaire/foo.yml
@@ -0,0 +1,7 @@
+- name: foo
+  become: false
+  hosts: machines
+  tasks:
+  - name: bar
+    debug:
+      msg: "hello world: {{ var_machine }}"
\ No newline at end of file
diff --git a/5_inventaire/group_vars/machines b/5_inventaire/group_vars/machines
new file mode 100644
index 0000000..c73d74e
--- /dev/null
+++ b/5_inventaire/group_vars/machines
@@ -0,0 +1 @@
+var_machine: foo
\ No newline at end of file
diff --git a/5_inventaire/host_vars/m4 b/5_inventaire/host_vars/m4
new file mode 100644
index 0000000..20e9ff3
--- /dev/null
+++ b/5_inventaire/host_vars/m4
@@ -0,0 +1 @@
+foo: bar
diff --git a/5_inventaire/inventaire b/5_inventaire/inventaire
new file mode 100644
index 0000000..3e3df23
--- /dev/null
+++ b/5_inventaire/inventaire
@@ -0,0 +1,2 @@
+[machines]
+m[1:10]
\ No newline at end of file