---
title: "TerrainSpecification | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Type Alias TerrainSpecification

type TerrainSpecification \= {  
    [exaggeration](#exaggeration)?: number;  
    [source](#source): string;  
}

##### Index

### Properties[](#properties)

[exaggeration?](#exaggeration) [source](#source)

## Properties[](#properties-1)

### `Optional`exaggeration[](#exaggeration)

exaggeration?: number

The exaggeration of the terrain - how high it will look.

#### Default[](#default)

```typescript
1
```

### source[](#source)

source: string

The source for the terrain data.