Indicates that something has been decided or arranged; 'it has been decided that', 'it turns out that'.
Long explanation:
The る ことになる grammar point is used to express that something has been decided or arranged. It often indicates a decision made by someone else or due to circumstances. It can be translated as 'it has been decided that' or 'it turns out that' in English. The formation requires a verb in る (dictionary) form.