Valmiki Ramayana Bala Kanda Sarga 53 Shloka 1
Original Shlokaएवमुक्ता वसिष्ठेन शबला शत्रुसूदन। विदधे कामधुक्कामान्यस्य यस्य यथेप्सितम्।।1.53.1।।
1 source checked for this shloka
शत्रुसूदन O Destroyer of foes, Rama, वसिष्ठेन by Vasishta, एवम् in this manner, उक्ता spoken, कामधुक् wishfulfilling (cow), शबला Sabala, यस्य यस्य to whomsoever, यथा in whatever manner, ईप्सितम् desired, कामान् desires, विदधे arranged (fulfilled).
"O Destroyer of foes (Rama)" addressed thus by Vasishta the wishfulfilling Sabala satisfied each one's desires. Vasishta entertains Viswamitra and his army--Viswamitra asks Vasishta for Kamadhenu-- Vasishta declines.