Mass Activity Create for Loyalty

Hi Gurus

Is there a way to mass create a Loyalty Activity for each Membership of a given Loyalty Program.

Our scenario is that we want to clear specific dynamic attributes at the start of each month for the entire Membership base.

By creating the Activities the Rewards Rules can easily be configured to reset the value of the required Dynamic Attributes.

Or is there another tool which can be used to reset attributes.

Many Thanks in Advance

Panduranga