diff --git a/src/prd.rs b/src/prd.rs
index 0cadfaf..a90b685 100644
--- a/src/prd.rs
+++ b/src/prd.rs
@@ -22,6 +22,7 @@ use crate::signature::{AnkHash, AnkMessageHash, Proof};
 pub enum PrdType {
     #[default]
     None,
+    Connect,
     Message,
     Update, // Update an existing process
     List,   // request a list of items
@@ -66,6 +67,21 @@ pub struct Prd {
 }
 
 impl Prd {
+    /// We answer with all our addresses to ack we received a transaction and got the shared_secret
+    /// pairing_commitment can be null but in that case we can't be fully trusted
+    /// We expect another prd connect in return so that we can trust the shared secret
+    pub fn new_connect(sender: Member, pairing_commitment: OutPoint) -> Self {
+        Self {
+            prd_type: PrdType::Connect,
+            root_commitment: String::default(),
+            sender: serde_json::to_string(&sender).unwrap(),
+            validation_tokens: vec![],
+            keys: Map::new(),
+            payload: pairing_commitment.to_string(),
+            proof: None,
+        }
+    }
+
     pub fn new_update(
         root_commitment: OutPoint,
         sender: String, // Should take Member as argument