大乘起信論義記 3.302

3.302

問中三問：一問、能修行人；二問、所修之行；三、得信成就等者，問行成已堪能發心。

In the question there are three queries: first, asking about the person capable of cultivation; second, asking about the practice cultivated; third, the phrase "attain the completion of faith..." asks about being capable of generating the mind once the practice is complete.