server.js

const seneca = require('seneca')();

seneca
.use('seneca-redis-transport')
.add({
    role:"math",
    cmd:"calcAge"
},(msg,reply)=>{
    const oldYear = msg.year || 0
    const currentYear = new Date().getFullYear()
    const age = currentYear - oldYear
 
    seneca.client({
        type:"redis",
        topic: "notify"
    }).act({role:"notify",cmd:"send",text:age})
    reply(null,{
        answer:age
    })
})
.listen({
    type: "redis",
    topic: "math",

    host: 'localhost',
    port: 6379
})