topic Re: Setting default values for user command parameters in FlexSim Forum

Setting default values for user command parameters

lucas_z — Wed, 04 Oct 2023 14:08:33 GMT

[ FlexSim 23.2.1 ]

Hello,

Is there a way to set default values for the parameters passed into a user command?

The C++ syntaxis doesn't seem to work. I would expect to be able to define it similarly. Am I just missing something trivial?

Thanks in advance!!

For example: I would like to define a function as below. But if I call this with one parameter only, I get the error that I am not passing enough parameters.

Re: Setting default values for user command parameters

mischa_spelt — Wed, 04 Oct 2023 14:14:11 GMT

Hi Lucas,

In the parameters field, you can indicate that the parameter is optional as follows:

(double inputOne[, int inputTwo])

Then in the code, you can check the number of parameters using the parqty function and set the default if necessary:

int inputTwo = (parqty() >= 2) ? param(2) : 42;

where I have used 42 as the default value to distinguish it from the parameter index (2) in this example.

Re: Setting default values for user command parameters

lucas_z — Wed, 04 Oct 2023 14:17:34 GMT

Perfect, thank you Mischa!