Simple recurent invoice

hi,
i am trying to set with this module simple recurent invoice, but i can't found any howto manual for setup.
I am openerp newbie , so i am not fluent in openerp.
all i need is to set up recurent invoice for sales order , product is service
thanks
i am trying to set with this module simple recurent invoice, but i can't found any howto manual for setup.
I am openerp newbie , so i am not fluent in openerp.
all i need is to set up recurent invoice for sales order , product is service
thanks