diff --git a/src/models/process.model.ts b/src/models/process.model.ts
index f6faa6c..44f5dc6 100755
--- a/src/models/process.model.ts
+++ b/src/models/process.model.ts
@@ -53,4 +53,6 @@ export enum MessageType {
   VALUE_HASHED = 'VALUE_HASHED',
   GET_MERKLE_PROOF = 'GET_MERKLE_PROOF',
   MERKLE_PROOF_RETRIEVED = 'MERKLE_PROOF_RETRIEVED',
+  VALIDATE_MERKLE_PROOF = 'VALIDATE_MERKLE_PROOF',
+  MERKLE_PROOF_VALIDATED = 'MERKLE_PROOF_VALIDATED',
 }