Examples of RecurrenceData field values:

Every 1 day(s)	<recurrence><rule><firstdayofweek>su</firstdayofweek><repeat><daily dayfrequency="1"></daily></repeat><repeatforever>FALSE</repeatforever></rule></recurrence>
Every weekday	<recurrence><rule><firstdayofweek>su</firstdayofweek><repeat><daily weekday="TRUE"></daily></repeat><repeatforever>FALSE</repeatforever></rule></recurrence>
End after: 10 occurrence(s)	<recurrence><rule><firstdayofweek>su</firstdayofweek><repeat><daily weekday="TRUE"></daily></repeat><repeatinstances>10</repeatinstances></rule></recurrence>
End by:  8/22/2012	<recurrence><rule><firstdayofweek>su</firstdayofweek><repeat><daily weekday="TRUE"></daily></repeat><windowend>2012-08-22T08:00:00Z</windowend></rule></recurrence>
Every 2 week(s) on: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday	<recurrence><rule><firstdayofweek>su</firstdayofweek><repeat><weekly su="TRUE" mo="TRUE" tu="TRUE" we="TRUE" th="TRUE" fr="TRUE" sa="TRUE" weekfrequency="2"></weekly></repeat><repeatforever>FALSE</repeatforever></rule></recurrence>
Every 2 month(s) on day 3	<recurrence><rule><firstDayOfWeek>su</firstDayOfWeek><repeat><monthly monthFrequency="2" day="3" /></repeat><repeatForever>FALSE</repeatForever></rule></recurrence>
Every 2 month(s) on the second weekday	<recurrence><rule><firstDayOfWeek>su</firstDayOfWeek><repeat><monthlyByDay weekday="TRUE" weekdayOfMonth="second" monthFrequency="2" /></repeat><repeatForever>FALSE</repeatForever></rule></recurrence>
Every 2 month(s) on the second weekend day	<recurrence><rule><firstDayOfWeek>su</firstDayOfWeek><repeat><monthlyByDay weekend_day="TRUE" weekdayOfMonth="second" monthFrequency="2" /></repeat><repeatForever>FALSE</repeatForever></rule></recurrence>
Every 2 month(s) on the second day	<recurrence><rule><firstDayOfWeek>su</firstDayOfWeek><repeat><monthlyByDay day="TRUE" weekdayOfMonth="second" monthFrequency="2" /></repeat><repeatForever>FALSE</repeatForever></rule></recurrence>
Every year on August 1	<recurrence><rule><firstdayofweek>su</firstdayofweek><repeat><yearly yearfrequency="1" month="8" day="1"></yearly></repeat><repeatforever>FALSE</repeatforever></rule></recurrence>
Every July on the last weekend day	<recurrence><rule><firstdayofweek>su</firstdayofweek><repeat><yearlybyday yearfrequency="1" weekend_day="TRUE" weekdayofmonth="last" month="7"></yearlybyday></repeat><repeatforever>FALSE</repeatforever></rule></recurrence>