Great news! Make now has a native solution for exactly this! 
@mohamed_aziz_tahri
You can use the new If-else & Merge modules to converge multiple paths back into a single flow — no Set/Get Variable workarounds needed. Branch your logic, handle each path independently, and merge the results before passing data to a single module (like your Google Sheet).
Learn more here: 🔥 Feature Spotlight: If-else & Merge in Make is here! 🔀
Happy automating! 
Valery from Make