UKismetGuidLibrary::Invalidate_Guid
#include "Kismet/KismetGuidLibrary.h"
Access: public
Specifiers: staticBlueprintCallableBlueprintThreadSafe
Description
Resets a GUID to its default, invalid (all-zero) value in place.
Caveats & Gotchas
- • Mutates InGuid directly rather than returning a new value — the Blueprint node takes the GUID by reference (UPARAM(ref)), so it must be wired to a variable, not a literal.
- • There is no way to recover the previous value afterward; copy the GUID first if you still need the original.
Signature
static void Invalidate_Guid( UPARAM(ref) FGuid& InGuid );Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| InGuid | UPARAM(ref) FGuid& | GUID to reset to its default, invalid value. Passed by reference and mutated in place. | — |
Return Type
void Example
Reset a GUID before reassigning C++
FGuid SessionId = UKismetGuidLibrary::NewGuid();
UKismetGuidLibrary::Invalidate_Guid(SessionId);
check(!UKismetGuidLibrary::IsValid_Guid(SessionId));Tags
Version History
Introduced in: unknown
| Version | Status | Notes |
|---|---|---|
| 5.6 | stable | — |
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