diff --git a/src/prd.rs b/src/prd.rs
index 52e80d8..e8f6328 100644
--- a/src/prd.rs
+++ b/src/prd.rs
@@ -27,6 +27,7 @@ pub enum PrdType {
     Response, // Validate (or disagree) with a prd update
     Confirm, // Confirm we received an update
     TxProposal, // Send a psbt asking for recipient signature
+    Request // asks for the prd update for some state,
 }
 
 sha256t_hash_newtype! {
@@ -51,7 +52,7 @@ impl AnkPrdHash {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Tsify)]
+#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize, Tsify)]
 #[tsify(into_wasm_abi, from_wasm_abi)]
 #[allow(non_camel_case_types)]
 pub struct Prd {
@@ -138,6 +139,16 @@ impl Prd {
         }
     }
 
+    pub fn new_request(root_commitment: OutPoint, sender: Member, state_ids: Vec<[u8; 32]>) -> Self {
+        Self {
+            prd_type: PrdType::Request,
+            root_commitment: root_commitment.to_string(),
+            sender: serde_json::to_string(&sender).unwrap(),
+            payload: serde_json::to_string(&state_ids).unwrap(),
+            ..Default::default()
+        }
+    }
+
     pub fn extract_from_message(plain: &[u8], local_address: SilentPaymentAddress) -> Result<Self> {
         let prd: Prd = serde_json::from_slice(plain)?;