CODE EXAMPLE FOR JAVASCRIPT

ping discord.js

// I don't know what you looking for but i think this is what you need
// Ping = latecy ?
// if i right oke this is a my solution 

let latency = new Date() - new Date(context.params.event.received_at);

await lib.discord.channels['@0.2.0'].messages.create({
  channel_id: context.params.event.channel_id,
  content: `Pong!
Bot simple was repeat <@!${context.params.event.member.user.id}> with latecy: 0.${latency}ms `, 
});