Web socket events testing tool Clone project Install via npm/yarn/pnpm Run server (npm/yarn/pnpm) start:v2 will start on http://localhost:3332 (V2 connection server) (npm/yarn/pnpm) start:v4 will start on http://localhost:3334 (V4 connection server) Vue3 Config your vue3 .env.development project file: VITE_SOCKET_V2_EXEC=http://localhost:3332 VITE_SOCKET_V4_EXEC=http://localhost:3334 Restart dev localhost with updated .env params Nuxt Add to your nuxt.config.js env paramenters: SOCKET_V2_EXEC: 'http://localhost:3332' SOCKET_V4_EXEC: 'http://localhost:3334' Restart dev localhost with updated NUXT configuration