diff --git a/src/stream.rs b/src/stream.rs
index b3f848a..8e1cd92 100644
--- a/src/stream.rs
+++ b/src/stream.rs
@@ -5,6 +5,7 @@ use rusb::UsbContext;
 use gilrs::{Gilrs, Button, Event};
 use serde_json::json;
 use handlebars::Handlebars;
+use std::time::{SystemTime, UNIX_EPOCH};
 
 pub trait InputStream {
    fn get(&mut self) -> Vec<char>;
@@ -222,6 +223,7 @@ fn sprintf(x: &String, v: Vec<char>) -> Vec<char> {
    let mut reg = Handlebars::new();
    return reg.render_template(x, &json!({
       "VALUE": v.iter().collect::<String>(),
+      "ms_since_epoch": SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_millis(),
    })).unwrap().chars().collect();
 }