A98: Prayer is an offering up of our desires unto God₁ for things agreeable to his will₂, in the name of Christ₃, with confession of our sins₄, and thankful acknowledgement of his mercies₅.

1. Psalm 62:8
2. 1 John 5:15
3. John 16:23
4. Psalm 32:5-6; Dan 9:4
5. Phil 4:6

For further study see:

1. WLC 178:  What is prayer?