Mantra 8

तदेष श्लोको यदा कर्मसु काम्येषु स्त्रियं स्वप्नेषु पश्यन्ति समृद्धिं तत्र जानीयात्तस्मिन्स्वप्ननिदर्शने तस्मिन्स्वप्ननिदर्शने ॥ ५.२.८ ॥

In plain words

On this there is this verse: "When in rites performed for a desire men see a woman in their dreams, let them know success in that vision of a dream — in that vision of a dream."