Excel load condition

[hoaphan]

Hello,
I try to put a condition on workflow months in the data source, but i dont know how to call them in my Complex expression, does anyone have an idea ? 

Thanks 

[hoaphan]

i've found this expression to call months in my complex expression, what i want from the machine is when there is in the time column of my excel load a months that doesn"t correspond to the workflow month chosen to load in, Onestream pops up an error message.

if anyone has an idea, please help.
Thanks in advance