diff --git a/IT/domotique/homeassistant.md b/IT/domotique/homeassistant.md
index 35ee017..24227e1 100644
--- a/IT/domotique/homeassistant.md
+++ b/IT/domotique/homeassistant.md
@@ -13,4 +13,9 @@
 
 ## event
 
-- cube xiaomi xiaomi_aqara.cube_action
\ No newline at end of file
+- cube xiaomi xiaomi_aqara.cube_action
+
+## SQL request
+
+- get most use entity:
+   ```SELECT entity_id, COUNT(*) as count FROM hass.states GROUP BY entity_id ORDER BY count DESC LIMIT 20```
\ No newline at end of file