diff --git a/dev/src/idl/parser.rs b/dev/src/idl/parser.rs
index de9b9bd..f3cffa3 100644
--- a/dev/src/idl/parser.rs
+++ b/dev/src/idl/parser.rs
@@ -9,7 +9,7 @@ enum Declaration{
     EnumDeclaration(EnumDeclaration),
     StructDeclaration(StructDeclaration),
     TypeDeclaration(TypeDeclaration),
-    ProtocolDeclaration,
+    ProtocolDeclaration(ProtocolDeclaration),
 }
 #[derive(Debug, Clone, PartialEq)]
 struct StructDeclaration {
@@ -38,6 +38,19 @@ struct EnumMember {
     number: u64,
 }
 
+#[derive(Debug, Clone, PartialEq)]
+struct ProtocolDeclaration{
+    name : String,
+    interface : Vec<FuncDeclaration>,
+}
+
+#[derive(Debug, Clone, PartialEq)]
+struct FuncDeclaration {
+    name : String,
+    input_types : Vec<String>,
+    return_type : String,
+}
+
 
 /// Consume's a token that's expected. If the token that's consumed is not
 /// the given expected token then panic
@@ -200,3 +213,4 @@ fn parse_number(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<u64> {
     }
     result
 }
+