diff --git a/src/lib.rs b/src/lib.rs
index d61cc11..b85bccf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -143,7 +143,7 @@ impl MTTClient {
         ];
         let msg = Message::default()
             .set_id(msg_id)
-            .set_session(self.session_id.clone().into());
+            .set_session(self.session_id.clone());
         for path in paths.iter() {
             let reg_msg = Register::new(self.sender_id.clone(), RegMsg::AddRoute(path.clone()));
             self.queue.send(msg.set_action(reg_msg));
@@ -181,7 +181,7 @@ impl MTTClient {
         ];
         let msg = Message::default()
             .set_id(msg_id.clone())
-            .set_session(self.session_id.clone().into());
+            .set_session(self.session_id.clone());
         for path in paths.iter() {
             let reg_msg = Register::new(self.sender_id.clone(), RegMsg::AddRoute(path.clone()));
             self.queue.send(msg.set_action(reg_msg));
diff --git a/src/message.rs b/src/message.rs
index 3e59d38..a0ec2e0 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -1,5 +1,5 @@
 use crate::{
-    action::{Field, MsgAction},
+    action::{Field, FieldType, MsgAction},
     name::NameType,
     queue::data_director::{Include, Path, Route},
 };
@@ -49,12 +49,7 @@ impl Message {
     where
         A: Into<MsgAction>,
     {
-        Self {
-            msg_id: MessageID::new(),
-            action: action.into(),
-            route: Route::default(),
-            session: Field::None,
-        }
+        Self::default().set_action(action)
     }
 
     pub fn set_id(&self, msg_id: MessageID) -> Self {
@@ -63,9 +58,20 @@ impl Message {
         output
     }
 
-    pub fn set_session(&self, session: Field) -> Self {
+    pub fn set_session<F>(&self, session: F) -> Self
+    where
+        F: Into<Field>,
+    {
+        let sess_id = match session.into() {
+            Field::Uuid(data) => Field::Uuid(data.clone()),
+            Field::StaticString(data) => match Uuid::try_from(data) {
+                Ok(id) => Field::Uuid(id.clone()),
+                Err(_) => Field::None,
+            },
+            _ => Field::None,
+        };
         let mut output = self.clone();
-        output.session = session;
+        output.session = sess_id;
         output
     }
 
@@ -165,13 +171,49 @@ mod messages {
 
     #[test]
     fn can_session_be_set() {
-        let doc_name = Name::english("identification");
+        let doc_name = Name::english("use field");
         let qry = Query::new(doc_name.clone());
         let sess_id: Field = Uuid::new_v4().into();
         let msg = Message::new(qry).set_session(sess_id.clone());
         assert_eq!(msg.session, sess_id);
     }
 
+    #[test]
+    fn can_session_be_set_by_string() {
+        let doc_name = Name::english("string");
+        let qry = Query::new(doc_name.clone());
+        let sess_id = Uuid::new_v4();
+        let msg = Message::new(qry).set_session(sess_id.to_string());
+        assert_eq!(msg.session, sess_id.into());
+    }
+
+    #[test]
+    fn does_garbage_return_none() {
+        let doc_name = Name::english("garbage");
+        let qry = Query::new(doc_name.clone());
+        let sess_id = "not a uuid";
+        let msg = Message::new(qry).set_session(sess_id);
+        assert_eq!(msg.session, Field::None);
+    }
+
+    #[test]
+    fn can_uuid_set_session_id() {
+        let doc_name = Name::english("uuid");
+        let qry = Query::new(doc_name.clone());
+        let sess_id = Uuid::new_v4();
+        let msg = Message::new(qry).set_session(sess_id.clone());
+        assert_eq!(msg.session, sess_id.into());
+    }
+
+    #[test]
+    fn does_wrong_field_type_return_none() {
+        let doc_name = Name::english("uuid");
+        let qry = Query::new(doc_name.clone());
+        let sess_id = FieldType::DateTime.get_default();
+        let msg = Message::new(qry).set_session(sess_id.clone());
+        assert_eq!(msg.session, Field::None);
+    }
+
     #[test]
     fn can_action_be_set() {
         let doc_name = Name::english("action");