> ## Documentation Index
> Fetch the complete documentation index at: https://udcore.unrealdirective.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Basic Functions
## General
### GetChildClasses
Returns a list of actor classes that are derived from the given base class.
This exposes the built-in GetDerivedClasses function to blueprints.
```cpp theme={null}
UClass* BaseClass = AActor::StaticClass();
TArray DerivedClasses;
UUDCoreFunctionLibrary::GetChildClasses(BaseClass, DerivedClasses);
```
**Inputs**
The base class to get the derived classes for.
Whether to include derived classes of derived classes.
**Outputs**
The list of derived classes.
## Project
### GetProjectVersion
Gets the project version as a string.
```cpp theme={null}
FString ProjectVersion = UUDCoreFunctionLibrary::GetProjectVersion();
```
**Outputs**
The project version as a string.
## Clipboard
### CopyTextToClipboard
Copies the provided text to the clipboard.
```cpp theme={null}
FText TextToCopy = FText::FromString(TEXT("Sample Text"));
UUDCoreFunctionLibrary::CopyTextToClipboard(TextToCopy);
```
**Inputs**
The text to copy to the clipboard.
***
### CopyStringToClipboard
Copies the provided string to the clipboard.
```cpp theme={null}
FString StringToCopy = TEXT("Sample String");
UUDCoreFunctionLibrary::CopyStringToClipboard(StringToCopy);
```
**Inputs**
The string to copy to the clipboard.
***
### GetTextFromClipboard
Gets the content from the clipboard as FText.
```cpp theme={null}
FText ClipboardText = UUDCoreFunctionLibrary::GetTextFromClipboard();
```
**Outputs**
The text from the clipboard.
***
### GetStringFromClipboard
Gets the content from the clipboard as an FString.
```cpp theme={null}
FString ClipboardString = UUDCoreFunctionLibrary::GetStringFromClipboard();
```
**Outputs**
The content from the clipboard as a string.
***
### ClearClipboard
Clears the clipboard.
```cpp theme={null}
UUDCoreFunctionLibrary::ClearClipboard();
```