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 FileMaker Pro Custom Functions

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GetDynamicStat ( Function ; TableOccurrenceName ; Field )

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  Average rating: 4.1  (34 votes)
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Get a Dynamic Aggregate result by chosing either the function, the related Table Occurrence and the field

Sample Input:
GetDynamicStat ( "Sum" ; "IN_Invoice" ; "AmountDue" )
GetDynamicStat ( $function ; $ToName ; $field )
GetDynamicStat ( scriptParameter1 ; scriptParameter2 ; scriptParameter3 )
Sample Output:
20 if 3 records related with 10, 5 and 5 in the 'AmountDue' field.

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


Custom Function by Ugo Di Luca - DLSystems -
September 2006
Demo file soon available at

This is a FM 8.5 only function as it uses List ( ) - You may substitute List ( ) by one of the recursive function making use of GetNthRecord, as for example GetValueSet ( Field ; StartValue ) by Ray Cologon in order to make it work for FileMaker 8

- Dynamically Evaluate the result of the following Aggregate Functions : Max , Min, Average, Count, Sum, StDev, StDevP, Variance, VarianceP + the Last ( ) function...
- Chose any Table Occurrence and Field on which the evaluation is based.

GetDynamicStat ( "Sum" ; "IN_Invoice" ; "AmountDue" ) will evaluate the Sum of Ithe field 'AmountDue' in the Invoice Table based on the 'IN_Invoice' Table Occurrence.

Type Cast :
This function can treat text, numbers, dates, times and TimeStamps.
The result is Text and no rounding is set by default for number types imputs

Regional Language :
This function evaluates the content of a formula, based on the Aggregate Functions according to the result of the Get ( ApplicationLanguage ) - Japanese not covered -

Usage :
All variables can be entered from global fields, any field or better script parameters or script variables, giving the developer a way to optimize coding.

Other Custom Function :
This function use another Custom Function, GetFieldType ( TOName ; Field )
Custom Function By Ugo Di Luca - DLSystems -
Let ( [
TOFieldJoin = TOName&"::"&Field ] ;
Evaluate (
"FieldType ( " & " " & "Get ( FileName) " & " ; " & "\"" & TOFieldJoin & "\"" & " )"

Limitations : At the moment, the evaluation take place on the current File Only + Evaluation is dependant of the Context

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


just stumbled over this. looks kind of old, but will test, if works with 11, this is solution I have been thinking about, for aggregating filtered portals. setting a global as the portal filter criteria, then using same in this calc.

Jim Randell, San Francisco
April 26, 2010 8:33am

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Answer 6 + 1 =
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