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> Unreal Engine API Reference > Developer > RigVMDeveloper > RigVMModel > URigVMActionStack > URigVMActionStack::Undo

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URigVMActionStack::Undo

Pops the last action from the undo stack and perform undo on it.

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Linux

References

Module	RigVMDeveloper
Header	/Engine/Source/Developer/RigVMDeveloper/Public/RigVMModel/RigVMControllerActions.h
Include	#include "RigVMModel/RigVMControllerActions.h"
Source	/Engine/Source/Developer/RigVMDeveloper/Private/RigVMModel/RigVMControllerActions.cpp

Syntax

bool Undo
(
URigVMController * InController
)

Remarks

Pops the last action from the undo stack and perform undo on it. Note: This should really only be used for unit tests, use the GEditor's main Undo method instead.

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