Check if Blueprint is being run within the editor (i.e if WITH_EDITOR in C++)

Development Programming & Scripting Blueprint
41

I know it’s not the answer for the exact question of the OP, but it’s somehow related:

Without any plugins, in out of the box UE, you can use this node:
image

#if UE_BUILD_DEBUG
  return EBuildConfiguration::Debug;

#elif UE_BUILD_DEVELOPMENT
  return bIsDebugGame ? EBuildConfiguration::DebugGame : EBuildConfiguration::Development;

#elif UE_BUILD_SHIPPING
  return EBuildConfiguration::Shipping;

#elif UE_BUILD_TEST
  return EBuildConfiguration::Test;

#else
  return EBuildConfiguration::Unknown;

#endif

It will return one of: Debug, Development, Shipping, Test or Unknown and you can react to the value of this string accordingly.

It’s more granular than IsPackagedForDistribution node but doesn’t require third party wonky plugins to be installed.

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