Merging Set Variables

Hello @Sergio69,
As @XenoMax suggest try to use “Get Variable” at the start of each new route after setting the variable on the previous route.
It’s simple but you need to follow proper steps.

Also, check Make’s help and other related topics.

https://www.make.com/en/help/tools/tools#set-variable
https://www.make.com/en/help/tools/tools#get-variable