# Array Indexed Parameter

## General Description

Time varying parameter using an array and Timestep.index

The values in this parameter are constant across all scenarios. [API Reference](https://pywr.github.io/pywr-docs/master/api/generated/pywr.parameters.ArrayIndexedParameter.html)

## Attributes

<table><thead><tr><th width="215">Name</th><th>Description</th><th>Required</th></tr></thead><tbody><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr></tbody></table>

## Example

coming soon...

```json
{

}
```