how to show the expression when we select for specific month

[#1]

I am unsing 3 expressions

but in that three expression i have to show one expression when i select january only

if i select other months that expression should not be shown

i know that we can select conditional but unable to give the condition

[Gysbert_Wassenaar · Accepted solution]

=if(GetFieldSelections(MyMonth)='Jan',1,0)  --change MyMonth to the name of your month field