# BE Dashboard widgets:
### Available:
- Number device
- Water usage
- Energy usage
- User Manager
- Cautions
### Unavailable:
- Report sent
- Sensor signal
### How's it work?
1. Run API ***{URL}/zones/:id/enitities?entityIds[]*** to GET:
- **Number device, Water usage, Energy usage**: will return value of this month and compare % during this month and previous month
- **User Manager**: will return total users of building (owner, contractor, customer)
2. FE Check MQTT to check the **Cautions**