diff --git a/src/lib.rs b/src/lib.rs
index 2a8c232..bd06952 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -16,8 +16,6 @@ use std::{
 };
 use uuid::Uuid;
 
-struct Request;
-
 #[derive(Clone)]
 enum Field {
     Static(String),
@@ -28,7 +26,7 @@ impl From<String> for Field {
     fn from(value: String) -> Self {
         match Uuid::try_from(value.as_str()) {
             Ok(data) => return Field::Uuid(data),
-            Err(_) => {},
+            Err(_) => {}
         }
         Field::Static(value)
     }
@@ -38,7 +36,7 @@ impl From<&str> for Field {
     fn from(value: &str) -> Self {
         match Uuid::try_from(value) {
             Ok(data) => return Field::Uuid(data),
-            Err(_) => {},
+            Err(_) => {}
         }
         Field::Static(value.into())
     }
@@ -107,6 +105,51 @@ mod fields {
     }
 }
 
+struct Request {
+    id: Option<Field>,
+}
+
+impl Request {
+    fn new<F>(mut id: Option<F>) -> Self
+    where
+        F: Into<Field>,
+    {
+        let result: Option<Field>;
+        match id {
+            Some(data) => {
+                result = Some(data.into());
+            }
+            None => result = None,
+        }
+        Self { id: result }
+    }
+}
+
+#[cfg(test)]
+mod requests {
+    use super::*;
+
+    #[test]
+    fn create_request_no_id() {
+        let input: Option<String> = None;
+        let req = Request::new(input);
+        assert!(req.id.is_none());
+    }
+
+    #[test]
+    fn create_request_with_uuid() {
+        let id = Uuid::new_v4();
+        let req = Request::new(Some(id));
+        match req.id {
+            Some(field) => match (field) {
+                Field::Uuid(data) => assert_eq!(data, id),
+                _ => unreachable!("Should have been a uuid"),
+            },
+            None => unreachable!("Should producer data"),
+        }
+    }
+}
+
 struct Record {
     data: HashMap<String, Field>,
 }
@@ -279,7 +322,7 @@ mod responses {
                         match rec.get(col).unwrap() {
                             Field::Static(txt) => {
                                 assert_eq!(txt.clone(), fields.next().unwrap().to_string())
-                            },
+                            }
                             _ => unreachable!("should have been static"),
                         }
                     }