Account Document Type Default Amount

Is it possible to do calculations here?

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Not sure if you can but you have a bracket in the wrong place try [=(F(TN(…

Thanks for the tip but no it does not seem to be working… I tried different combinations and I think it specifically takes [Balance] and other tags,

No expressions will not work there.

Thought so, Ill see if I can make a calculation within Entity fields and then pull it from there