#What did Yahweh tell the men to do on the seventh day?

Yahweh told the men to walk around Jericho seven times on the seventh day, and for the priests give blasts on their trumpets. [6:5]

#What did Yahweh say would happen if the men of Israel and the priests did this?

Yahweh said the the walls around Jericho would fall down if the men and the priests did this. [6:5]