Shiva Purana
ततस्संतुष्टहृदयो रामभक्त्या महेश्वरः ॥ शिवमस्तु वरं ब्रूहि रामेति स तदाब्रवीत् ॥ ३४ ॥
Then, satisfied in his heart with Rāma’s devotion lord Śiva said—“O Rāma, may there be welfare to you. Mention the boon you wish to have.”
english translation
tatassaMtuSTahRdayo rAmabhaktyA mahezvaraH ॥ zivamastu varaM brUhi rAmeti sa tadAbravIt ॥ 34 ॥
hk transliteration by Sanscript