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 FileMaker Pro Custom Functions

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NextRenewalDate (ordered ; renewal.period)

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  Average rating: 4.1  (29 votes)
  Discuss this Custom Function

James Glendinning, James Glendinning

Works out the next time a date occurs, within a given yearly cycle.

Sample Input:
NextRenewalDate (01/06/2000 ; 3)
Sample Output:
If today is

01/06/1999 = 01/06/2000
02/06/2000 = 01/06/2003
02/06/2004 = 01/06/2006

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.


Will return the next instance of the given date after today, determined by the number of years.

Useful for determining things like renewal periods on services, which may have renewal periods of 1,2,3 etc. years.

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


By the description this would seem to be the CF I need. However I am not sure of how to craft it into my database. Can ORDERED and RENEW.PERIOD take fields? Is ORDERED a field listing the renewal dates by return-delimited?

TKnTexas, Irving Texas
December 02, 2012 7:16am

Hi TKnTexas,
As with all custom functions, you'll need to import this into your filemaker pro database using the Manage Custom Functions area of Filemaker Pro.
ORDERED and RENEW.PERIOD are required fields - ORDERED is a date field; RENEW.PERIOD is a positive integer.
The result of the calculation is the next renewal date, based upon the current date of the host system.
It won't provide a tab-delimited list of dates, unless you write a script to do so.

James Glendinning, Sydney
December 02, 2012 2:19pm

Thanks James. I got the function into the right place of Filemaker. I am just not understanding it to integrate the function into use.

TKnTexas, Irving Texas
December 03, 2012 7:37pm

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