And when Delilah saw that he had told her all his heart, she sent and called for the lords of the Philistines, saying, Come up this once, for he hath shewed me all his heart. Then the lords of the Philistines came up unto her, and brought money in their hand. (Judges 16:18)
Samson was not so far gone as to be able to reveal the great secret without some sense of awe and shame. Delilah quickly divined that at last she had secured his secret, so she sent immediately for the rulers of the Philistines, knowing that now she would be able to deliver Samson to them and collect their bounteous reward.