that the Messenger of Allah ﷺ said: "The Salam is before talking." With this chain it has been reported that the Prophet ﷺ said: "Do not invite anyone to the food until the Salam is given."  

رَسُولُ اللَّهِ ﷺ السَّلاَمُ قَبْلَ الْكَلاَمِ وَبِهَذَا الإِسْنَادِ عَنِ النَّبِيِّ ﷺ قَالَ لاَ تَدْعُوا أَحَدًا إِلَى الطَّعَامِ حَتَّى يُسَلِّمَ