you will hear in heaven, in the firmament of your throne, their prayers and their petitions. And you will accomplish their judgment
Other versions
King James Version
Then hear thou their prayer and their supplication in heaven thy dwelling place, and maintain their cause, English Standard Version
then hear in heaven your dwelling place their prayer and their plea, and maintain their causeNew International Version
then from heaven, your dwelling place, hear their prayer and their plea, and uphold their cause.