> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/reusable-content/shared/shared-initialize.md).

# shared/initialize

{% tabs %}
{% tab title="C#" %}

```csharp
pdftron.PDFNet.Initialize("YOUR APRYSE  LICENSE KEY::Testing::123");
```

{% endtab %}

{% tab title="C++" %}

```cpp
PDFNet::Initialize("YOUR APRYSE  LICENSE KEY::Testing::123");
```

{% endtab %}

{% tab title="Java" %}

```java
PDFNet.initialize("YOUR APRYSE  LICENSE KEY::Testing::123");
```

{% endtab %}

{% tab title="JavaScript" %}

```js
// Use runWithCleanup instead of initialize
// PDFNet initialize is called within runWithCleanup
// runWithCleanup will also perform automatic memory management
PDFNet.runWithCleanup(callback, "YOUR APRYSE  LICENSE KEY::Testing::123");

// Optional alternative to call initialize directly 
PDFNet.initialize("YOUR APRYSE  LICENSE KEY::Testing::123");
```

{% endtab %}

{% tab title="Obj-C" %}

```objc
[PTPDFNet Initialize:@"YOUR APRYSE  LICENSE KEY::Testing::123"];
```

{% endtab %}

{% tab title="Swift" %}

```swift
PTPDFNet.initialize("YOUR APRYSE  LICENSE KEY::Testing::123")
```

{% endtab %}

{% tab title="PHP" %}

```php
PDFNet::Initialize("YOUR APRYSE  LICENSE KEY::Testing::123");
```

{% endtab %}

{% tab title="Python" %}

```python
PDFNet.Initialize("YOUR APRYSE  LICENSE KEY::Testing::123")
```

{% endtab %}

{% tab title="Ruby" %}

```ruby
PDFNet.Initialize("YOUR APRYSE  LICENSE KEY::Testing::123")
```

{% endtab %}
{% endtabs %}


---

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