# Use Cases

Quick-start guides for deep linking using PlayMaker custom actions.

## Available Use Cases

### 1. [Campaign Link Navigation](/features/deep-link-services/playmaker/use-cases/use-case-1-campaign-link.md)

* **What it does:** Handle universal links from marketing
* **Actions:** 2 (OnUniversalLinkOpen, GetUniversalLinkResult)

### 2. [OAuth Callback](/features/deep-link-services/playmaker/use-cases/use-case-2-oauth-callback.md)

* **What it does:** Handle custom scheme for auth redirects
* **Actions:** 2 (OnCustomSchemeUrlOpen, GetCustomSchemeResult)

### 3. [Route by Host/Path](/features/deep-link-services/playmaker/use-cases/use-case-3-route-by-host-path.md)

* **What it does:** Safely route to screens/scenes based on `host` + `path`
* **Actions:** 2 (OnUniversalLinkOpen or OnCustomSchemeUrlOpen, Get\*Result)

### 4. [Read Query Param by Key](/features/deep-link-services/playmaker/use-cases/use-case-4-query-param-by-key.md)

* **What it does:** Extract a specific query parameter (example: `token`, `campaign`) from `queryKeys/queryValues`
* **Actions:** 2 (OnUniversalLinkOpen or OnCustomSchemeUrlOpen, Get\*Result)

## Quick Action Reference

| Action                                 | Purpose                            |
| -------------------------------------- | ---------------------------------- |
| DeepLinkServicesOnUniversalLinkOpen    | Listen for universal links         |
| DeepLinkServicesGetUniversalLinkResult | Read cached universal link details |
| DeepLinkServicesOnCustomSchemeUrlOpen  | Listen for custom scheme URLs      |
| DeepLinkServicesGetCustomSchemeResult  | Read cached custom scheme details  |

## Related Documentation

* [**README.md**](/features/deep-link-services/playmaker.md)


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