He mentioned thanksgiving, that is, prayer in which we express appreciation for what God does for us. This may be accompanied by praise.
وَلكِنْ لِيَنَالَ ٱلزَّبَائِنُ هذِهِ ٱلْهَدِيَّةَ ،‏ يَجِبُ أَنْ يَأْتُوا إِلَيْهِ وَيَطْلُبُوهَا .‏