What was Sai Baba's role and promise regarding the creation of his life story, the Sai Satcharita?

According to Chapter 2, Sai Baba's role was foundational and absolute. Feeling compassion, he granted permission for a collection of his stories and experiences to be recorded. He stated, "He is merely a pretext; I myself shall write my own story!" Baba promised his full help and support for the project, emphasizing the condition that the author must dissolve his ego and surrender at Baba's feet. He assured that for such a devotee, he would not only assist with the story but would serve them in all ways, personally entering with 'I-ness' to write his own biography through the author's hand.