[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Editor Scripting | Commands |") bool RegisterCommand ( [FScriptingCommandInfo](API\Plugins\SlateScriptingCommands\FScriptingCommandInfo) CommandInfo, [FExecuteCommand](API\Plugins\SlateScriptingCommands\FExecuteCommand) OnExecuteCommand, bool bOverrideExisting )