From Wiktionary, the free dictionary
prayer for relief (plural prayers for relief)
- (law) The portion of a complaint in which the plaintiff describes the remedies sought from the court, such as damages or an injunction.
- Used other than figuratively or idiomatically: see prayer, for, relief.
1908 January, “Testimonies from the field”, in The Christian Science Journal, volume 25, number 10, →OCLC, page 622:I often went to God with long prayers for relief, for I had been instructed from childhood to look to God in times of trouble.