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System.schedule
Learn System.schedule in Apex with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.
System.schedule is an atomic Apex topic inside Asynchronous Apex. The example below uses the actual construct named by the lesson rather than a generic placeholder.
Focus on what System.schedule changes: the input, binding, control path, object state, collection, runtime effect, or language contract. Then alter one value and verify that the behavior changes for a reason specific to this feature.
Topic-specific example
System.schedule('Nightly', '0 0 2 * * ?', new NightlyJob());
Change the key input in this Apex example and predict the result first; the named construct should be the reason the behavior changes.