וַיְדַבְּר֣וּ אֵלָ֗יו אֵ֣ת כָּל־דִּבְרֵ֤י יוֹסֵף֙ אֲשֶׁ֣ר דִּבֶּ֣ר אֲלֵהֶ֔ם וַיַּרְא֙ אֶת־הָ֣עֲגָל֔וֹת אֲשֶׁר־שָׁלַ֥ח יוֹסֵ֖ף לָשֵׂ֣את אֹת֑וֹ וַתְּחִ֕י ר֖וּחַ יַעֲקֹ֥ב אֲבִיהֶֽם׃
And they told him all the words of Joseph, which he had said unto them; and when he saw the wagons which Joseph had sent to carry him, the spirit of Jacob their father revived.
Read kabbalistic (mystical) interpretation of Genesis 45:27: and classical mystical sources.