add a value to a variable

[peisenrot]

hello 

I would like to add 1 to a variable. 

sum( {<ProductionYear={"1+$(=FirstVariantProductionYear)"}>}Value)

ist should show then if FirstVariantProductionYear = 2021 then 2022. But this is not working. How can I do it?

best regards

Pia

[Ahidhar · Accepted solution]

try this

sum( {<ProductionYear={"$(=1+$(FirstVariantProductionYear))"}>}Value)

[peisenrot]

hello,

thanks. ProductionYear={"$(=1+$(=FirstVariantProductionYear))" is working perfekt

Best regards

Pia