diff --git a/.gitignore b/.gitignore
index 8e789fd..8b93f97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 target/
 
+*.DS_Store
 
 *.wasm
 herovm_build/
diff --git a/heromodels/.DS_Store b/heromodels/.DS_Store
index 6862bea..f4f8c5d 100644
Binary files a/heromodels/.DS_Store and b/heromodels/.DS_Store differ
diff --git a/heromodels/src/models/access/access.rs b/heromodels/src/models/access/access.rs
new file mode 100644
index 0000000..560301e
--- /dev/null
+++ b/heromodels/src/models/access/access.rs
@@ -0,0 +1,58 @@
+use heromodels_core::BaseModelData;
+use heromodels_derive::model;
+// Temporarily removed to fix compilation issues
+// use rhai_autobind_macros::rhai_model_export;
+use rhai::{CustomType, TypeBuilder};
+use serde::{Deserialize, Serialize};
+
+/// Represents an event in a contact
+#[model]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, CustomType)]
+pub struct Access {
+    /// Base model data
+    pub base_data: BaseModelData,
+    #[index]
+    pub object_id: u32,
+    pub circle_id: u32,
+    pub contact_id: u32,
+    pub group_id: u32,
+    pub expires_at: Option<u64>,
+}
+
+impl Access {
+    pub fn new() -> Self {
+        Access {
+            base_data: BaseModelData::new(),
+            object_id: 0,
+            circle_id: 0,
+            contact_id: 0,
+            group_id: 0,
+            expires_at: None,
+        }
+    }
+
+    pub fn object_id(mut self, object_id: u32) -> Self {
+        self.object_id = object_id;
+        self
+    }
+
+    pub fn contact_id(mut self, contact_id: u32) -> Self {
+        self.contact_id = contact_id;
+        self
+    }
+
+    pub fn group_id(mut self, group_id: u32) -> Self {
+        self.group_id = group_id;
+        self
+    }
+
+    pub fn circle_id(mut self, circle_id: u32) -> Self {
+        self.circle_id = circle_id;
+        self
+    }
+
+    pub fn expires_at(mut self, expires_at: Option<u64>) -> Self {
+        self.expires_at = expires_at;
+        self
+    }
+}
\ No newline at end of file
diff --git a/heromodels/src/models/access/mod.rs b/heromodels/src/models/access/mod.rs
new file mode 100644
index 0000000..a891652
--- /dev/null
+++ b/heromodels/src/models/access/mod.rs
@@ -0,0 +1,7 @@
+// Export contact module
+pub mod access;
+pub mod rhai;
+
+// Re-export contact, Group from the inner contact module (contact.rs) within src/models/contact/mod.rs
+pub use self::access::{Access};
+pub use rhai::register_access_rhai_module;
diff --git a/heromodels/src/models/access/rhai.rs b/heromodels/src/models/access/rhai.rs
new file mode 100644
index 0000000..0ae4d38
--- /dev/null
+++ b/heromodels/src/models/access/rhai.rs
@@ -0,0 +1,177 @@
+use rhai::plugin::*;
+use rhai::{Engine, EvalAltResult, Position, Module, INT, Dynamic, Array};
+use std::sync::Arc;
+use std::mem;
+use crate::db::Db;
+
+use super::access::{Access};
+type RhaiAccess = Access;
+use crate::db::hero::OurDB;
+use crate::db::Collection;
+
+// Helper to convert i64 from Rhai to u32 for IDs
+fn id_from_i64_to_u32(id_i64: i64) -> Result<u32, Box<EvalAltResult>> {
+    u32::try_from(id_i64).map_err(|_|
+        Box::new(EvalAltResult::ErrorArithmetic(
+            format!("Failed to convert ID '{}' to u32", id_i64).into(),
+            Position::NONE
+        ))
+    )
+}
+
+#[export_module]
+mod rhai_access_module {
+    // --- Access Functions ---
+    #[rhai_fn(name = "new_access", return_raw)]
+    pub fn new_access() -> Result<RhaiAccess, Box<EvalAltResult>> {
+        let access = Access::new();
+        Ok(access)
+    }
+    
+    /// Sets the access name
+    #[rhai_fn(name = "object_id", return_raw, global, pure)]
+    pub fn access_object_id(access: &mut RhaiAccess, object_id: u32) -> Result<RhaiAccess, Box<EvalAltResult>> {
+        // Create a default Access to replace the taken one
+        let default_access = Access::new();
+        
+        // Take ownership of the access, apply the builder method, then put it back
+        let owned_access = std::mem::replace(access, default_access);
+        *access = owned_access.object_id(object_id);
+        Ok(access.clone())
+    }
+
+    #[rhai_fn(name = "circle_id", return_raw, global, pure)]
+    pub fn access_circle_id(access: &mut RhaiAccess, circle_id: u32) -> Result<RhaiAccess, Box<EvalAltResult>> {
+        // Create a default Access to replace the taken one
+        let default_access = Access::new();
+        
+        // Take ownership of the access, apply the builder method, then put it back
+        let owned_access = std::mem::replace(access, default_access);
+        *access = owned_access.circle_id(circle_id);
+        Ok(access.clone())
+    }
+    
+    #[rhai_fn(name = "group_id", return_raw, global, pure)]
+    pub fn access_group_id(access: &mut RhaiAccess, group_id: u32) -> Result<RhaiAccess, Box<EvalAltResult>> {
+        // Create a default Access to replace the taken one
+        let default_access = Access::new();
+        
+        // Take ownership of the access, apply the builder method, then put it back
+        let owned_access = std::mem::replace(access, default_access);
+        *access = owned_access.group_id(group_id);
+        Ok(access.clone())
+    }
+
+    #[rhai_fn(name = "contact_id", return_raw, global, pure)]
+    pub fn access_contact_id(access: &mut RhaiAccess, contact_id: u32) -> Result<RhaiAccess, Box<EvalAltResult>> {
+        // Create a default Access to replace the taken one
+        let default_access = Access::new();
+        
+        // Take ownership of the access, apply the builder method, then put it back
+        let owned_access = std::mem::replace(access, default_access);
+        *access = owned_access.contact_id(contact_id);
+        Ok(access.clone())
+    }
+
+    #[rhai_fn(name = "expires_at", return_raw, global, pure)]
+    pub fn access_expires_at(access: &mut RhaiAccess, expires_at: Option<u64>) -> Result<RhaiAccess, Box<EvalAltResult>> {
+        // Create a default Access to replace the taken one
+        let default_access = Access::new();
+        
+        // Take ownership of the access, apply the builder method, then put it back
+        let owned_access = std::mem::replace(access, default_access);
+        *access = owned_access.expires_at(expires_at);
+        Ok(access.clone())
+    }
+
+    // Access Getters
+    #[rhai_fn(get = "id", pure)]
+    pub fn get_access_id(access: &mut RhaiAccess) -> i64 { access.base_data.id as i64 }
+    
+    #[rhai_fn(get = "object_id", pure)]
+    pub fn get_access_object_id(access: &mut RhaiAccess) -> i64 { access.object_id as i64 }
+
+    #[rhai_fn(get = "circle_id", pure)]
+    pub fn get_access_circle_id(access: &mut RhaiAccess) -> i64 { access.circle_id as i64 }
+
+    #[rhai_fn(get = "group_id", pure)]
+    pub fn get_access_group_id(access: &mut RhaiAccess) -> i64 { access.group_id as i64 }
+
+    #[rhai_fn(get = "contact_id", pure)]
+    pub fn get_access_contact_id(access: &mut RhaiAccess) -> i64 { access.contact_id as i64 }
+
+    #[rhai_fn(get = "expires_at", pure)]
+    pub fn get_access_expires_at(access: &mut RhaiAccess) -> i64 { access.expires_at.unwrap_or(0) as i64 }
+
+    #[rhai_fn(get = "created_at", pure)]
+    pub fn get_access_created_at(access: &mut RhaiAccess) -> i64 { access.base_data.created_at }
+    
+    #[rhai_fn(get = "modified_at", pure)]
+    pub fn get_access_modified_at(access: &mut RhaiAccess) -> i64 { access.base_data.modified_at }
+}
+
+pub fn register_access_rhai_module(engine: &mut Engine, db: Arc<OurDB>) {
+    // Register the exported module globally
+    let module = exported_module!(rhai_access_module);
+    engine.register_global_module(module.into());
+    
+    // Create a module for database functions
+    let mut db_module = Module::new();
+    
+    let db_clone_set_access = db.clone();
+    db_module.set_native_fn("save_access", move |access: Access| -> Result<Access, Box<EvalAltResult>> {
+        // Use the Collection trait method directly
+        let result = db_clone_set_access.set(&access)
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(format!("DB Error set_access: {}", e).into(), Position::NONE)))?;
+        
+        // Return the updated access with the correct ID
+        Ok(result.1)
+    });
+
+    // Manually register database functions as they need to capture 'db'
+    let db_clone_delete_access = db.clone();
+    db_module.set_native_fn("delete_access", move |access: Access| -> Result<(), Box<EvalAltResult>> {
+        // Use the Collection trait method directly
+        let result = db_clone_delete_access.collection::<Access>()
+            .expect("can open access collection")
+            .delete_by_id(access.base_data.id)
+            .expect("can delete event");
+        
+        // Return the updated event with the correct ID
+        Ok(result)
+    });
+    
+    let db_clone_get_access = db.clone();
+    db_module.set_native_fn("get_access_by_id", move |id_i64: INT| -> Result<Access, Box<EvalAltResult>> {
+        let id_u32 = id_from_i64_to_u32(id_i64)?;
+        // Use the Collection trait method directly
+        db_clone_get_access.get_by_id(id_u32)
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(format!("DB Error get_access_by_id: {}", e).into(), Position::NONE)))?            
+            .ok_or_else(|| Box::new(EvalAltResult::ErrorRuntime(format!("Access with ID {} not found", id_u32).into(), Position::NONE)))
+    });
+
+    // Add list_accesss function to get all accesss
+    let db_clone_list_accesss = db.clone();
+    db_module.set_native_fn("list_accesss", move || -> Result<Dynamic, Box<EvalAltResult>> {
+        let collection = db_clone_list_accesss.collection::<Access>()
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(
+                format!("Failed to get access collection: {:?}", e).into(), 
+                Position::NONE
+            )))?;
+        let accesss = collection.get_all()
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(
+                format!("Failed to get all accesss: {:?}", e).into(), 
+                Position::NONE
+            )))?;
+        let mut array = Array::new();
+        for access in accesss {
+            array.push(Dynamic::from(access));
+        }
+        Ok(Dynamic::from(array))
+    });
+    
+    // Register the database module globally
+    engine.register_global_module(db_module.into());
+
+    println!("Successfully registered access Rhai module using export_module approach.");
+}
diff --git a/heromodels/src/models/contact/contact.rs b/heromodels/src/models/contact/contact.rs
new file mode 100644
index 0000000..32095a1
--- /dev/null
+++ b/heromodels/src/models/contact/contact.rs
@@ -0,0 +1,115 @@
+use heromodels_core::BaseModelData;
+use heromodels_derive::model;
+// Temporarily removed to fix compilation issues
+// use rhai_autobind_macros::rhai_model_export;
+use rhai::{CustomType, TypeBuilder};
+use serde::{Deserialize, Serialize};
+
+/// Represents an event in a contact
+#[model]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, CustomType)]
+pub struct Contact {
+    /// Base model data
+    pub base_data: BaseModelData,
+    #[index]
+    pub name: String,
+    pub description: Option<String>,
+    pub address: String,
+    pub phone: String,
+    pub email: String,
+    pub notes: Option<String>,
+    pub circle: String,
+}
+
+impl Contact {
+    pub fn new() -> Self {
+        Contact {
+            base_data: BaseModelData::new(),
+            name: String::new(),
+            description: None,
+            address: String::new(),
+            phone: String::new(),
+            email: String::new(),
+            notes: None,
+            circle: String::new(),
+        }
+    }
+
+    pub fn name(mut self, name: impl ToString) -> Self {
+        self.name = name.to_string();
+        self
+    }
+
+    pub fn description(mut self, description: impl ToString) -> Self {
+        self.description = Some(description.to_string());
+        self
+    }
+
+    pub fn address(mut self, address: impl ToString) -> Self {
+        self.address = address.to_string();
+        self
+    }
+
+    pub fn phone(mut self, phone: impl ToString) -> Self {
+        self.phone = phone.to_string();
+        self
+    }
+
+    pub fn email(mut self, email: impl ToString) -> Self {
+        self.email = email.to_string();
+        self
+    }
+
+    pub fn notes(mut self, notes: impl ToString) -> Self {
+        self.notes = Some(notes.to_string());
+        self
+    }
+
+    pub fn circle(mut self, circle: impl ToString) -> Self {
+        self.circle = circle.to_string();
+        self
+    }
+}
+
+/// Represents an event in a contact
+#[model]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Default, CustomType)]
+pub struct Group {
+    /// Base model data
+    pub base_data: BaseModelData,
+    #[index]
+    pub name: String,
+    pub description: Option<String>,
+    pub contacts: Vec<u32>,
+}
+
+impl Group {
+    pub fn new() -> Self {
+        Group {
+            base_data: BaseModelData::new(),
+            name: String::new(),
+            description: None,
+            contacts: Vec::new(),
+        }
+    }
+
+    pub fn name(mut self, name: impl ToString) -> Self {
+        self.name = name.to_string();
+        self
+    }
+
+    pub fn description(mut self, description: impl ToString) -> Self {
+        self.description = Some(description.to_string());
+        self
+    }
+
+    pub fn contacts(mut self, contacts: Vec<u32>) -> Self {
+        self.contacts = contacts;
+        self
+    }
+
+    pub fn add_contact(mut self, contact: u32) -> Self {
+        self.contacts.push(contact);
+        self
+    }
+}
\ No newline at end of file
diff --git a/heromodels/src/models/contact/mod.rs b/heromodels/src/models/contact/mod.rs
new file mode 100644
index 0000000..4a3aa34
--- /dev/null
+++ b/heromodels/src/models/contact/mod.rs
@@ -0,0 +1,7 @@
+// Export contact module
+pub mod contact;
+pub mod rhai;
+
+// Re-export contact, Group from the inner contact module (contact.rs) within src/models/contact/mod.rs
+pub use self::contact::{Contact, Group};
+pub use rhai::register_contact_rhai_module;
diff --git a/heromodels/src/models/contact/rhai.rs b/heromodels/src/models/contact/rhai.rs
new file mode 100644
index 0000000..12b6518
--- /dev/null
+++ b/heromodels/src/models/contact/rhai.rs
@@ -0,0 +1,235 @@
+use rhai::plugin::*;
+use rhai::{Engine, EvalAltResult, Position, Module, INT, Dynamic, Array};
+use std::sync::Arc;
+use std::mem;
+use crate::db::Db;
+
+use super::contact::{Group, Contact};
+type RhaiGroup = Group;
+type RhaiContact = Contact;
+use crate::db::hero::OurDB;
+use crate::db::Collection;
+
+// Helper to convert i64 from Rhai to u32 for IDs
+fn id_from_i64_to_u32(id_i64: i64) -> Result<u32, Box<EvalAltResult>> {
+    u32::try_from(id_i64).map_err(|_|
+        Box::new(EvalAltResult::ErrorArithmetic(
+            format!("Failed to convert ID '{}' to u32", id_i64).into(),
+            Position::NONE
+        ))
+    )
+}
+
+#[export_module]
+mod rhai_contact_module {
+    // --- Event Functions ---
+    #[rhai_fn(name = "new_group")]
+    pub fn new_group() -> RhaiGroup {
+        Group::new()
+    }
+    
+    /// Sets the event title
+    #[rhai_fn(name = "name", return_raw, global, pure)]
+    pub fn group_name(group: &mut RhaiGroup, name: String) -> Result<RhaiGroup, Box<EvalAltResult>> {
+        let owned_group = mem::take(group);
+        *group = owned_group.name(name);
+        Ok(group.clone())
+    }
+    
+    /// Sets the event description
+    #[rhai_fn(name = "description", return_raw, global, pure)]
+    pub fn group_description(group: &mut RhaiGroup, description: String) -> Result<RhaiGroup, Box<EvalAltResult>> {
+        let owned_group = mem::take(group);
+        *group = owned_group.description(description);
+        Ok(group.clone())
+    }
+
+    /// Adds an attendee to the event
+    #[rhai_fn(name = "add_contact", return_raw, global, pure)]
+    pub fn group_add_contact(group: &mut RhaiGroup, contact_id: i64) -> Result<RhaiGroup, Box<EvalAltResult>> {
+        // Use take to get ownership of the event
+        let owned_group = mem::take(group);
+        *group = owned_group.add_contact(contact_id as u32);
+        Ok(group.clone())
+    }
+
+    #[rhai_fn(get = "contacts", pure)]
+    pub fn get_group_contacts(group: &mut RhaiGroup) -> Vec<i64> { group.contacts.clone().into_iter().map(|id| id as i64).collect() }
+
+    // Group Getters
+    #[rhai_fn(get = "id", pure)]
+    pub fn get_group_id(group: &mut RhaiGroup) -> i64 { group.base_data.id as i64 }
+    #[rhai_fn(get = "created_at", pure)]
+    pub fn get_group_created_at(group: &mut RhaiGroup) -> i64 { group.base_data.created_at }
+    #[rhai_fn(get = "modified_at", pure)]
+    pub fn get_group_modified_at(group: &mut RhaiGroup) -> i64 { group.base_data.modified_at }
+    
+    #[rhai_fn(get = "name", pure)]
+    pub fn get_group_name(group: &mut RhaiGroup) -> String { group.name.clone() }
+    #[rhai_fn(get = "description", pure)]
+    pub fn get_group_description(group: &mut RhaiGroup) -> Option<String> { group.description.clone() }
+
+
+    // --- Contact Functions ---
+    #[rhai_fn(name = "new_contact", return_raw)]
+    pub fn new_contact() -> Result<RhaiContact, Box<EvalAltResult>> {
+        let contact = Contact::new();
+        Ok(contact)
+    }
+    
+    /// Sets the contact name
+    #[rhai_fn(name = "name", return_raw, global, pure)]
+    pub fn contact_name(contact: &mut RhaiContact, name: String) -> Result<RhaiContact, Box<EvalAltResult>> {
+        // Create a default Contact to replace the taken one
+        let default_contact = Contact::new();
+        
+        // Take ownership of the contact, apply the builder method, then put it back
+        let owned_contact = std::mem::replace(contact, default_contact);
+        *contact = owned_contact.name(name);
+        Ok(contact.clone())
+    }
+    
+    /// Sets the contact description
+    #[rhai_fn(name = "description", return_raw, global, pure)]
+    pub fn contact_description(contact: &mut RhaiContact, description: String) -> Result<RhaiContact, Box<EvalAltResult>> {
+        // Create a default Contact to replace the taken one
+        let default_contact = Contact::new();
+        
+        // Take ownership of the contact, apply the builder method, then put it back
+        let owned_contact = std::mem::replace(contact, default_contact);
+        *contact = owned_contact.description(description);
+        Ok(contact.clone())
+    }
+
+    // Contact Getters
+    #[rhai_fn(get = "id", pure)]
+    pub fn get_contact_id(contact: &mut RhaiContact) -> i64 { contact.base_data.id as i64 }
+    
+    #[rhai_fn(get = "name", pure)]
+    pub fn get_contact_name(contact: &mut RhaiContact) -> String { contact.name.clone() }
+    
+    #[rhai_fn(get = "created_at", pure)]
+    pub fn get_contact_created_at(contact: &mut RhaiContact) -> i64 { contact.base_data.created_at }
+    
+    #[rhai_fn(get = "modified_at", pure)]
+    pub fn get_contact_modified_at(contact: &mut RhaiContact) -> i64 { contact.base_data.modified_at }
+}
+
+pub fn register_contact_rhai_module(engine: &mut Engine, db: Arc<OurDB>) {
+    // Register the exported module globally
+    let module = exported_module!(rhai_contact_module);
+    engine.register_global_module(module.into());
+    
+    // Create a module for database functions
+    let mut db_module = Module::new();
+
+    // Manually register database functions as they need to capture 'db'
+    let db_clone_set_group = db.clone();
+    db_module.set_native_fn("save_group", move |group: Group| -> Result<Group, Box<EvalAltResult>> {
+        // Use the Collection trait method directly
+        let result = db_clone_set_group.set(&group)
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(format!("DB Error set_group: {}", e).into(), Position::NONE)))?;
+        
+        // Return the updated event with the correct ID
+        Ok(result.1)
+    });
+
+    // Manually register database functions as they need to capture 'db'
+    let db_clone_delete_group = db.clone();
+    db_module.set_native_fn("delete_group", move |group: Group| -> Result<(), Box<EvalAltResult>> {
+        // Use the Collection trait method directly
+        let result = db_clone_delete_group.collection::<Group>()
+            .expect("can open group collection")
+            .delete_by_id(group.base_data.id)
+            .expect("can delete group");
+        
+        // Return the updated event with the correct ID
+        Ok(result)
+    });
+    
+    let db_clone_get_group = db.clone();
+    db_module.set_native_fn("get_group_by_id", move |id_i64: INT| -> Result<Group, Box<EvalAltResult>> {
+        let id_u32 = id_from_i64_to_u32(id_i64)?;
+        // Use the Collection trait method directly
+        db_clone_get_group.get_by_id(id_u32)
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(format!("DB Error get_event_by_id: {}", e).into(), Position::NONE)))?            
+            .ok_or_else(|| Box::new(EvalAltResult::ErrorRuntime(format!("Event with ID {} not found", id_u32).into(), Position::NONE)))
+    });
+    
+    let db_clone_set_contact = db.clone();
+    db_module.set_native_fn("save_contact", move |contact: Contact| -> Result<Contact, Box<EvalAltResult>> {
+        // Use the Collection trait method directly
+        let result = db_clone_set_contact.set(&contact)
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(format!("DB Error set_contact: {}", e).into(), Position::NONE)))?;
+        
+        // Return the updated contact with the correct ID
+        Ok(result.1)
+    });
+
+    // Manually register database functions as they need to capture 'db'
+    let db_clone_delete_contact = db.clone();
+    db_module.set_native_fn("delete_contact", move |contact: Contact| -> Result<(), Box<EvalAltResult>> {
+        // Use the Collection trait method directly
+        let result = db_clone_delete_contact.collection::<Contact>()
+            .expect("can open contact collection")
+            .delete_by_id(contact.base_data.id)
+            .expect("can delete event");
+        
+        // Return the updated event with the correct ID
+        Ok(result)
+    });
+    
+    let db_clone_get_contact = db.clone();
+    db_module.set_native_fn("get_contact_by_id", move |id_i64: INT| -> Result<Contact, Box<EvalAltResult>> {
+        let id_u32 = id_from_i64_to_u32(id_i64)?;
+        // Use the Collection trait method directly
+        db_clone_get_contact.get_by_id(id_u32)
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(format!("DB Error get_contact_by_id: {}", e).into(), Position::NONE)))?            
+            .ok_or_else(|| Box::new(EvalAltResult::ErrorRuntime(format!("Contact with ID {} not found", id_u32).into(), Position::NONE)))
+    });
+
+    // Add list_contacts function to get all contacts
+    let db_clone_list_contacts = db.clone();
+    db_module.set_native_fn("list_contacts", move || -> Result<Dynamic, Box<EvalAltResult>> {
+        let collection = db_clone_list_contacts.collection::<Contact>()
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(
+                format!("Failed to get contact collection: {:?}", e).into(), 
+                Position::NONE
+            )))?;
+        let contacts = collection.get_all()
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(
+                format!("Failed to get all contacts: {:?}", e).into(), 
+                Position::NONE
+            )))?;
+        let mut array = Array::new();
+        for contact in contacts {
+            array.push(Dynamic::from(contact));
+        }
+        Ok(Dynamic::from(array))
+    });
+    
+    // Add list_events function to get all events
+    let db_clone_list_groups = db.clone();
+    db_module.set_native_fn("list_groups", move || -> Result<Dynamic, Box<EvalAltResult>> {
+        let collection = db_clone_list_groups.collection::<Group>()
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(
+                format!("Failed to get group collection: {:?}", e).into(), 
+                Position::NONE
+            )))?;
+        let groups = collection.get_all()
+            .map_err(|e| Box::new(EvalAltResult::ErrorRuntime(
+                format!("Failed to get all groups: {:?}", e).into(), 
+                Position::NONE
+            )))?;
+        let mut array = Array::new();
+        for group in groups {
+            array.push(Dynamic::from(group));
+        }
+        Ok(Dynamic::from(array))
+    });
+
+    // Register the database module globally
+    engine.register_global_module(db_module.into());
+
+    println!("Successfully registered contact Rhai module using export_module approach.");
+}
diff --git a/heromodels/src/models/mod.rs b/heromodels/src/models/mod.rs
index eae5ca6..42cc76e 100644
--- a/heromodels/src/models/mod.rs
+++ b/heromodels/src/models/mod.rs
@@ -2,7 +2,9 @@
 pub mod core;
 pub mod userexample;
 // pub mod productexample; // Temporarily remove as files are missing
+pub mod access;
 pub mod calendar;
+pub mod contact;
 pub mod circle;
 pub mod governance;
 pub mod finance;