diff --git a/par-greeter/echo-service/src/main.rs b/par-greeter/echo-service/src/main.rs
new file mode 100644
index 0000000..2f79b1a
--- /dev/null
+++ b/par-greeter/echo-service/src/main.rs
@@ -0,0 +1,18 @@
+use fluence::fce;
+
+#[fce]
+pub struct Echo {
+    pub echo: String,
+}
+
+#[fce]
+pub fn echo(inputs: Vec<String>) -> Vec<Echo> {
+    inputs
+        .iter()
+        .map(|s| Echo {
+            echo: s.to_string(),
+        })
+        .collect()
+}
+
+fn main() {}