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## State Buffer

<p align="center"> 
    <img src="icon.png" width="150px;" class="pe-image-documentation"/>
</p>

***

## Description

Buffers values of a sensor, while state does not change.
Select a state field in the event. Events are buffered as long as state field does not change. When it changes result event is emitted.

***

## Required input

Define the state and sensor value field

### Timestamp
A mapping  property for a timestamp field

### State
Select the field representing the state 

### Sensor value to cache
Select the field with the numerical values to buffer

## Output
Emits a new event on state change, with the fields `timestamp`, `state`, and a list containing all `sensor values`.
