This is Information from the Documentation:
https://docs.unrealengine.com/Images/Engine/Editor/ScriptingAndAutomation/Blueprints/CallInEditor/bp-call-in-editor.jpg
then place the Actor in the Level and look in the Details Panel:
https://docs.unrealengine.com/Images/Engine/Editor/ScriptingAndAutomation/Blueprints/CallInEditor/bp-call-from-level.jpg