Umm Hani (May Allah be pleased with her) reported: I went to the Prophet (PBUH) who was taking a bath while Fatimah was screening him. He asked, "Who is there?" I replied: "I am Umm Hani."[Al-Bukhari and Muslim].
141/876 - Riyad Us-Saliheen (Gardens of the Righteous)
وعن أُمَّ هانئ رضي الله عنها قالت: أتيت النبي صَلّى اللهُ عَلَيْهِ وسَلَّم وهو يغتسل وفاطمةُ تسْتُرُهُ فقال : «مَنْ هذه ، » فقلت : أنا أُم هَانئ . متفق عليه .