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API > API/Editor > API/Editor/UnrealEd > API/Editor/UnrealEd/USelection
Description
Returns the number of objects in the selection set. This function is used by clients in conjunction with op::() to iterate over selected objects. Note that some of these objects may be NULL, and so clients should use CountSelections() to get the true number of non-NULL selected objects.
| Name | Num |
| Type | function |
| Header File | /Engine/Source/Editor/UnrealEd/Public/Selection.h |
| Include Path | #include "Selection.h" |
| Source | /Engine/Source/Editor/UnrealEd/Private/Selection.cpp |
int32 Num() const
Number of objects in the selection set.