diff --git a/src/models/agent.rs b/src/models/agent.rs
new file mode 100644
index 0000000..cbd5309
--- /dev/null
+++ b/src/models/agent.rs
@@ -0,0 +1,59 @@
+use std::fmt;
+struct Agent { 
+
+    pub first_name: String
+}
+
+#[derive(Default)]
+struct AgentBuilder {
+    #[allow(dead_code)]
+   pub first_name: Option<String>
+}
+
+impl Agent {
+    pub fn builder() -> AgentBuilder { 
+        AgentBuilder::default()
+    }
+}
+
+impl AgentBuilder {
+    #[allow(dead_code)]
+    pub fn first_name(mut self, first_name: &str) -> Self {
+        self.first_name = Some(String::from(first_name));
+        self
+    } 
+
+    #[allow(dead_code)]
+    pub fn build(self) -> Result<Agent, &'static str> {
+        Ok(Agent {
+            first_name: self.first_name.ok_or("_")?
+        })
+    }
+}
+
+impl fmt::Display for Agent {       
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {   
+        write!(f, "{}", self.first_name)
+    }
+}
+
+
+#[cfg(test)]
+mod tests {
+    use super::Agent;
+
+    #[test]
+    fn test_agent_name() {
+        let agent = Agent::builder().first_name("Jason").build();
+        
+        assert!(agent.is_ok())
+    }
+
+    #[test]
+    fn test_agent_name_to_string() {
+        let agent = Agent::builder().first_name("Jason").build().unwrap();
+
+        assert_eq!(agent.to_string(), "Jason")
+    }
+
+}
\ No newline at end of file
diff --git a/src/models/contact.rs b/src/models/contact.rs
index 80c69cb..37e0c58 100644
--- a/src/models/contact.rs
+++ b/src/models/contact.rs
@@ -36,11 +36,11 @@ impl Update {
 }
 
 #[derive(Debug)]
-pub struct Builder {
+pub struct Construct {
     pub id: i64,
     pub update: Update,
 }
-impl Builder {
+impl Construct {
     pub fn new(
         id: i64,
         first_name: Option<String>,
@@ -120,7 +120,7 @@ impl Contact {
 mod tests {
     use crate::errors::AppError;
 
-    use super::{Builder, Contact};
+    use super::{Construct, Contact};
 
     #[test]
     fn test_display_name() {
@@ -131,8 +131,8 @@ mod tests {
     }
 
     #[test]
-    fn test_contact_update_builder() {
-        let edits = Builder::new(
+    fn test_contact_update_construct() {
+        let edits = Construct::new(
             1,
             None,
             None,
@@ -151,8 +151,8 @@ mod tests {
     }
 
     #[test]
-    fn test_contact_update_builder_2() {
-        let edits = Builder::new(
+    fn test_contact_update_construct_2() {
+        let edits = Construct::new(
             2,
             Some("Mary".to_string()),
             Some("Smith".to_string()),
@@ -172,13 +172,13 @@ mod tests {
 
     #[test]
     fn test_is_empty() {
-        let result = Builder::new(1, None, None, None, None, None);
+        let result = Construct::new(1, None, None, None, None, None);
         assert!(result.is_err());
     }
 
     #[test]
-    fn test_invalid_email_builder() {
-        let result = Builder::new(
+    fn test_invalid_email_construct() {
+        let result = Construct::new(
             1,
             None,
             None,
@@ -191,8 +191,8 @@ mod tests {
     }
 
     #[test]
-    fn test_invalid_builder_phone_number() {
-        let result = Builder::new(1, None, None, None, Some("123-123-12345".to_string()), None);
+    fn test_invalid_construct_phone_number() {
+        let result = Construct::new(1, None, None, None, Some("123-123-12345".to_string()), None);
 
         println!("{result:?}");
         assert!(result.is_err());
diff --git a/src/models/mod.rs b/src/models/mod.rs
index b4eb7ea..8961aba 100644
--- a/src/models/mod.rs
+++ b/src/models/mod.rs
@@ -1,5 +1,6 @@
 mod contact;
+mod agent;
 
-pub use contact::Builder as ContactBuilder;
+pub use contact::Construct as ContactBuilder;
 pub use contact::Contact;
-pub use contact::Indexed as IndexedContact;
+pub use contact::Indexed as IndexedContact;
\ No newline at end of file