الصدقة اليومية

It is to donate just one riyal for each day, by chance, daily, so that you may receive the prayers of the angels for you, as in the hadith (O God, give a spender a successor. The association collects it from you every day in one of the charitable projects that it implements.

You can also pay only once, 365 riyals per person, for a full year. Or 90 riyals for 3 months, or 30 riyals for a month.