Navigational Steps to "Turn On" Options to Mass Assign Journey

Summary:

I am trying to modify the option for the LOV but do not know the exact navigation steps to modify:

The DOCs user guide CloudPeadiness in the 21D release notes, says to :

You must set the profile option to control the values in the Selection Type LoV on the Assign Journey

What is the navigations path to modify the Profile Option

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