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# Signal Composer API
## get
You can get a signal value be requesting the API with the verb *get*:
```json
signal-composer get {"signal": "vehicle_speed", "options": {"average": 10}}
signal-composer get {"signal": "vehicle_speed", "options": {"minimum": 10}}
signal-composer get {"signal": "vehicle_speed", "options": {"maximum": 10}}
signal-composer get {"signal": "vehicle_speed"}
```
You apply apply some simple mathematical function by default present in the binding
, by default **last** is used:
- **average**: make an average on X latest seconds.
- **minimum**: return the minimum value found in the X latest seconds.
- **maximum**: return the maximum value found in the X latest seconds.
- **last**: return the latest value.
## list
Verb **list** will output the list of defined signals.
## loadConf
Verb **loadConf** let you add new files to be able to add new **sources** or
**signals**.
```json
signal-composer loadConf {"filepath": "/path/to/your/json/file.json"}
```
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