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API > API/Runtime > API/Runtime/NetCore > API/Runtime/NetCore/FFastArraySerializer
Struct containing common header data that is written / read when serializing Fast Arrays.
| Name | FFastArraySerializerHeader |
| Type | struct |
| Header File | /Engine/Source/Runtime/Net/Core/Classes/Net/Serialization/FastArraySerializer.h |
| Include Path | #include "Net/Serialization/FastArraySerializer.h" |
Syntax
struct FFastArraySerializerHeader
Variables
Public
| Name | Type | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|---|
| ArrayReplicationKey | int32 | The current ArrayReplicationKey. | Net/Serialization/FastArraySerializer.h | |
| BaseReplicationKey | int32 | The previous ArrayReplicationKey. | Net/Serialization/FastArraySerializer.h | |
| DeletedIndices | TArray< int32, TInlineAllocator< 8 > > | The list of deleted elements. | Net/Serialization/FastArraySerializer.h | |
| NumChanged | int32 | The number of changed elements (adds or removes). | Net/Serialization/FastArraySerializer.h |