What is prescribed is for her to seek reward and to be patient in washing the dead if her services are needed, and if she is known to be a good person and to do this job properly, because the Prophet (peace and blessings of Allaah be upon him) said:
“Whoever meets his brother’s need, Allaah will meet his need.” (Saheeh, agreed upon)
And he (peace and blessings of Allaah be upon him) said:
“Allaah will help His slave so long as the slave helps his brother.” (Narrated by Muslim in his Saheeh).
And there are many similar ahaadeeth.