PlannerItemSchedule.WeekDayInMonth

Read and write.The number of a day of the week of the month (e.g., the second Sunday of the month). Positive values are counted relative to the beginning of the month, negative - relative to its end (1 - the first day of the week of the month, -1 - the last day of the week of the month).
Thin client, web-client, server, thick client, external connection.

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