the new record that is created will be automatically set as the regarding record of the incoming activity record. There is only one regarding object to the social activity, so, only one Create record action is possible in the Actions section.
@selennnaa Sorry, but this is a mysterious post just as the initial one by @TryLex. You are all welcome to post valid questions so that others can understand what you would like to know. Please be specific what the situation is and what you would like to know.