This is for FMP12 and FMP12 Adv
See "Maximum field size, by type" in the following link.
This is link for FMP11 and FMP11 Adv
If you are referring to field size in window and mac os then no there is no difference.
Thank you very much for replay,this link is very useful.
But I used "fmp protocol" in a different meaning.
FMP prorocol is URL protocol to communicate with another filemaker databases.
Its scheme is
In this scheme we can define variables and set the value like this,
In this example,the value of $foo has a limit of length?
How many characteres can I set to param?
Is there a difference between Windows OS and Mac OS and iOS about the llimit of length?