How to define the conditions when the input variable is null?

I encounter a problem that my input variable may be NULL and I haven’t found a proper way to handle this. I just set the default value when the input variable is NULL out of the DMN model. Is there any way to config this condition in the DMN model? thx~

Hi @xlhtc007,

Have a look at below post

@hassang thx~ I find the useful information in this post.
In most case no condition would help.

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