It started working!

src/main.rs

@@ -1,5 +1,35 @@
 use futures_util::stream::TryStreamExt;
-use zbus::{Connection, Result};
+use std::collections::HashMap;
+use zbus::{message::Body, Connection, Result};
+use zvariant::OwnedValue;
+
+fn print_notif(msg_body: Body) -> Result<()> {
+    // Deserialize the message body to the expected tuple
+    let (app_name, replace_id, icon, summary, body, actions, hints, expir_timeout): (
+        String,
+        u32,
+        String,
+        String,
+        String,
+        Vec<String>,
+        HashMap<String, OwnedValue>,
+        i32,
+    ) = msg_body.deserialize()?;
+    // Print the notification details
+    println!("App Name: {app_name}");
+    println!("Replace ID: {replace_id}");
+    println!("Icon: {icon}");
+    println!("Summary: {summary}");
+    println!("Body: {body}");
+    println!("Actions: {actions:?}");
+    println!("Hints:");
+    for (key, value) in hints {
+        println!("  {key}: {value:?}");
+    }
+    println!("Expiration Timeout: {expir_timeout} seconds");
+
+    Ok(())
+}
 
 #[tokio::main]
 async fn main() -> Result<()> {
@@ -13,19 +43,27 @@ async fn main() -> Result<()> {
     while let Some(msg) = stream.try_next().await? {
         // Check if the message is a method call to the "Notify" method
         if let Some(member) = msg.header().member().map(|m| m.as_str()) {
-            if member == "GetServerInformation" {
-                println!("Member is: {}", member);
-                // Respond with server information
-                let response = ("SNot", "candifloss.cc", "0.1.0", "1.0"); // (name, vendor, version, spec_version)
-                connection.reply(&msg, &response).await?;
-            } else if member == "Notify" {
-                println!("Member is: {}", member);
-                // Respond with a notification ID (usually a unique number)
-                let notification_id: u32 = 1; // This could be incremented or generated
-                connection.reply(&msg, &notification_id).await?;
-            } else {
-                println!("Unhandled method: {}", member);
-            }
+            match member {
+                "GetServerInformation" => {
+                    println!("Member is: {member}");
+                    // Respond with server information
+                    let response = ("SNot", "candifloss.cc", "0.1.0", "1.0"); // (name, vendor, version, spec_version)
+                    connection.reply(&msg, &response).await?;
+                }
+                "Notify" => {
+                    println!("Member is: {member}");
+                    // Handle notif
+                    let msg_body = msg.body();
+                    // get the app_name, summary, body, etc. from the msg_body and print it
+                    let _ = print_notif(msg_body);
+                    // Done. Respond with a notification ID
+                    let notification_id: u32 = 1; // This could be incremented or generated
+                    connection.reply(&msg, &notification_id).await?;
+                }
+                _ => {
+                    println!("Unhandled method: {member}");
+                }
+            };
         }
     }