---
title: "MTHalo | Mobile sdk | Mobile sdk ios | Ios"
description: "Configuration for the atmospheric glow (halo)."
---

> 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.

# MTHalo

```
public struct MTHalo : Sendable, Codable
```

Configuration for the atmospheric glow (halo).

-   `[scale](#/s:11MapTilerSDK6MTHaloV5scaleSdSgvp)`
    
    Controls the overall halo size.
    
    #### Declaration
    
    Swift
    
    ```
    public var scale: Double?
    ```
    
-   `[stops](#/s:11MapTilerSDK6MTHaloV5stopsSayAA0D4StopVGSgvp)`
    
    Radial gradient definition expressed as ordered stops.
    
    #### Declaration
    
    Swift
    
    ```
    public var stops: [MTHaloStop]?
    ```
    
-   `[init(scale:stops:)](#/s:11MapTilerSDK6MTHaloV5scale5stopsACSdSg_SayAA0D4StopVGSgtcfc)`
    
    Undocumented
    
    #### Declaration
    
    Swift
    
    ```
    public init(scale: Double? = nil, stops: [MTHaloStop]? = nil)
    ```