# UIAPPS::IS_UIAPP_RUNNING

- **Hash:** `0xDE4A9B35D028979F`
- **Namespace:** UIAPPS
- **Runtime name (Lua/JS):** `IsUiappRunning`
- **Side:** client (game native)
- **Name status:** official
- **Documentation:** described
- **Since game build:** 1232
- **URL:** https://natives.borderlinerp.com/natives/UIAPPS/IS_UIAPP_RUNNING

## Signature

```c
BOOL IS_UIAPP_RUNNING(const char* appName);
```

## Parameters

- `appName` (`const char*`)

## Returns

`BOOL`

## Description

*Source: VORPCORE RDR3natives*

Returns true if the Native UI Application is running.

## Usage

### Lua

```lua
local retval = IsUiappRunning(appName)

-- always available, by hash
local retval = Citizen.InvokeNative(0xDE4A9B35D028979F, appName, Citizen.ReturnResultAnyway())
```

### JavaScript

```js
const retval = IsUiappRunning(appName);

// by hash
const retval = Citizen.invokeNative('0xDE4A9B35D028979F', appName, Citizen.returnResultAnyway());
```

### C#

```csharp
bool retval = Function.Call<bool>((Hash)0xDE4A9B35D028979F, appName);
```

*Sources: alloc8or RDR3 NativeDB, VORPCORE RDR3natives.*