וַיֹּ֨אמֶר אֱלֹהִ֤ים ׀ לְיִשְׂרָאֵל֙ בְּמַרְאֹ֣ת הַלַּ֔יְלָה וַיֹּ֖אמֶר יַעֲקֹ֣ב ׀ יַעֲקֹ֑ב וַיֹּ֖אמֶר הִנֵּֽנִי׃
And God spoke unto Israel in the visions of the night, and said: ‘Jacob, Jacob.’ And he said: ‘Here am I.’
Read halakhic rulings (Jewish law) on Genesis 46:2: and classical halakhic sources.