What is the role of Advani in Modi and Shah BJP

There was a slogan in BJP that it was the BJP three heritage. Atal Advani Murli Manohar. These three leaders have consistently been the party president in the beginning of the BJP. This time, both Advani and Murli Manohar Joshi have not been given ticket. Advani seat will be contested by Gandhinagar BJP President Amit Shah.