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  • Empty or no-parameter based custom functions can take the optional opening and closing parentheses despite FileMaker's ability to accept calculation code without them. Doing so does increase readability and enforces proper syntax checking by FileMaker when a similarly named variable, global or field may conflict.
    Note: certain custom functions, such as Null are Reserved elements and do not need to follow this convention.

    Let ( var.something = FunctionName (); var.something )


    Let ( var.something = FunctionName; var.something )

    bad also acceptable

titleSingle platform development

In order to stay cross-platform compatible with regards to code editing, the space on either side of the semicolon facilitates easier parameter selection using the mouse. However, if you are working within a team of developers or all developers are working on the Macintosh, it is acceptable to remove the space between the parameter and the semicolon. This increases readability, but does force the developer to be familiar with using keyboard selection strategies, such as advancing to the next word and using the arrow keys an shift to navigate and select text.