Timer Triggers in Azure Functions - NCRONTAB Expressions

Reference

The following information is adapted from here

Syntax

In an Azure Function app, a "scheduled job" is one that makes use of a Timer Trigger, as in the following example. This job will run at 5:30am UTC every day.

public static void Run([TimerTrigger("0 30 5 * * *")]TimerInfo myTimer, TraceWriter log)
{
}

The argument to the TimerTrigger attribute is an NCRONTAB expression, which utilizes the following syntax.