Defining recurrence rule
Setup recurrence details
Repeating Issues addon supports recurrence rules as defined in the iCalendar RFC so use can schedule actions that:
 occurs at given date and time
 repeats daily, monthly, weekly and yearly
 repeats every n times
 repeats on given day of week
 repeats by day of the month or day of the week
 repeats 1st or last working day of the month
 ends never, after x times, or on given date
Possibilities are vast...
Rules can be defined with user friendly forms as below:
Daily repeats frequency  Wheekly repeats frequency  Monthly repeats frequency 
Yearly repeats frequency  1st working day of the month repeats frequency  Last working day of the month repeats frequency 
Configuration fields for recurrence
FIeld name  Description 

Repeats  Define frequency of recurrence. Possible values:

Repeats every  The interval between each frequency iteration. For example, when using 'Repeats' equal to `Daily`, an 'Repeats every' equal to 3 means once every three days, but with 'Repeats' equal to `Monthly`, it means once every three months. 
Repeat on  Define the weekdays where the weekly recurrence will be applied. This field is only available for 'Repeats' equal to `Wheekly`. For example, when using 'Repeats' equal to `Wheekly` and 'Repeats every' equal to 1, an 'Repeats on' equal to Mo and Fr means recurrence occurs every week on Monday and Friday 
Repeat by  Define the weekday (together with 'Starts on' field) where the monthly recurrence will be applied. This field is only available for 'Repeats' equal to `Monthly`. Possible values:

Starts on  Defines the start date and time relative to which subsequent occurrences are calculated on the recurrence rule 
Ends  Define when the recurrence ends. Possible values:

Calendar  Define calendar with nonworking days that will be used by this recurrence rule. Please read how to Manage nonworking days 