> For the complete documentation index, see [llms.txt](https://assetstore.essentialkit.voxelbusters.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://assetstore.essentialkit.voxelbusters.com/features/app-updater/playmaker/use-cases/use-case-2-silent-policy-check.md).

# Silent Policy Check

## Goal

Check for updates silently without blocking UI, and conditionally show update prompt based on policy.

## Actions Required

| Action                                      | Purpose                                |
| ------------------------------------------- | -------------------------------------- |
| AppUpdaterRequestUpdateInfo                 | Query store for update status (cached) |
| AppUpdaterGetRequestUpdateInfoSuccessResult | Read updateStatus after SUCCESS        |

## Variables Needed

* updateStatus (Enum: AppUpdaterUpdateStatus)
* lastCheckTime (DateTime)
* checkInterval (Int) - hours between checks

## Implementation Steps

### 1. CheckIfTimeToCheck (Entry State)

Calculate time since lastCheckTime:

* If >= checkInterval → PerformCheck
* If < checkInterval → Skip

### 2. PerformCheck

**Action:** AppUpdaterRequestUpdateInfo

* Run asynchronously in background
* **Events:**
  * successEvent → GetStatus
  * failureEvent → Skip

### 3. GetStatus

**Action:** AppUpdaterGetRequestUpdateInfoSuccessResult

* **Outputs:**
  * updateStatus → updateStatus

### 4. ProcessResult

Save current time to lastCheckTime.

* If updateStatus == Available or Downloaded → ApplyUpdatePolicy
* Else → Skip

### 5. ApplyUpdatePolicy

Apply business logic:

* Critical update → Show immediate alert
* Major version → Show on next launch
* Minor version → Show badge/banner (non-intrusive)
* Patch version → Log only, no UI

### 6. Skip

Continue normal app flow without interruption

## Common Issues

* **Check frequency**: Don't check too often (recommend: 24 hours)
* **Battery/data**: Avoid checks on cellular if large metadata
* **Persistence**: Save lastCheckTime to PlayerPrefs
* **Background limits**: iOS/Android may throttle background checks

## Best Practices

* Check once per day maximum
* Use PlayerPrefs to track last check time
* Show update UI only for significant versions
* Respect user's "Don't show again" preference

## Flow Diagram

```
CheckIfTimeToCheck
├─ Time elapsed → PerformCheck
│                 ├─ SUCCESS → GetStatus → ProcessResult
│                 │                         ├─ Available/Downloaded → ApplyUpdatePolicy → [UI based on severity]
│                 │                         └─ NotAvailable → Skip
│                 └─ FAILURE → Skip
└─ Too soon → Skip
```

## Use When

* Daily app launch checks
* Non-intrusive version monitoring
* Gradual rollout strategies
* A/B testing update prompts


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