diff --git a/application/controllers/api/v1/API_V1_Controller.php b/application/controllers/api/v1/API_V1_Controller.php
index b27e529b..4107d45f 100644
--- a/application/controllers/api/v1/API_V1_Controller.php
+++ b/application/controllers/api/v1/API_V1_Controller.php
@@ -62,7 +62,7 @@ class API_V1_Controller extends CI_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -142,7 +142,7 @@ class API_V1_Controller extends CI_Controller {
      *
      * @param Exception $exception Thrown exception to be outputted.
      */
-    protected function _handleException(Exception $exception)
+    protected function handle_exception(Exception $exception)
     {
         $error = [
             'code' => $exception->getCode() ?: 500,
@@ -166,7 +166,7 @@ class API_V1_Controller extends CI_Controller {
      *
      * @throws \EA\Engine\Api\V1\Exception
      */
-    protected function _throwRecordNotFound()
+    protected function throw_record_not_found()
     {
         throw new \EA\Engine\Api\V1\Exception('The requested record was not found!', 404, 'Not Found');
     }
diff --git a/application/controllers/api/v1/Admins.php b/application/controllers/api/v1/Admins.php
index 3c4cea7c..d2dcaf51 100644
--- a/application/controllers/api/v1/Admins.php
+++ b/application/controllers/api/v1/Admins.php
@@ -76,7 +76,7 @@ class Admins extends API_V1_Controller {
 
             if ($id !== NULL && count($admins) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $response = new Response($admins);
@@ -92,7 +92,7 @@ class Admins extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -123,7 +123,7 @@ class Admins extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -141,7 +141,7 @@ class Admins extends API_V1_Controller {
 
             if ($id !== NULL && count($batch) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $request = new Request();
@@ -158,7 +158,7 @@ class Admins extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -182,7 +182,7 @@ class Admins extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 }
diff --git a/application/controllers/api/v1/Appointments.php b/application/controllers/api/v1/Appointments.php
index da42b1db..4a7ae2b8 100644
--- a/application/controllers/api/v1/Appointments.php
+++ b/application/controllers/api/v1/Appointments.php
@@ -92,7 +92,7 @@ class Appointments extends API_V1_Controller {
 
             if ($id !== NULL && count($appointments) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $response = new Response($appointments);
@@ -108,7 +108,7 @@ class Appointments extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -166,7 +166,7 @@ class Appointments extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -184,19 +184,19 @@ class Appointments extends API_V1_Controller {
 
             if ($id !== NULL && count($batch) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $request = new Request();
-            $updatedAppointment = $request->getBody();
-            $baseAppointment = $batch[0];
-            $this->parser->decode($updatedAppointment, $baseAppointment);
-            $updatedAppointment['id'] = $id;
-            $id = $this->appointments_model->add($updatedAppointment);
+            $updated_appointment = $request->getBody();
+            $base_appointment = $batch[0];
+            $this->parser->decode($updated_appointment, $base_appointment);
+            $updated_appointment['id'] = $id;
+            $id = $this->appointments_model->add($updated_appointment);
 
-            $service = $this->services_model->get_row($updatedAppointment['id_services']);
-            $provider = $this->providers_model->get_row($updatedAppointment['id_users_provider']);
-            $customer = $this->customers_model->get_row($updatedAppointment['id_users_customer']);
+            $service = $this->services_model->get_row($updated_appointment['id_services']);
+            $provider = $this->providers_model->get_row($updated_appointment['id_users_provider']);
+            $customer = $this->customers_model->get_row($updated_appointment['id_users_customer']);
             $settings = [
                 'company_name' => $this->settings_model->get_setting('company_name'),
                 'company_email' => $this->settings_model->get_setting('company_email'),
@@ -205,8 +205,8 @@ class Appointments extends API_V1_Controller {
                 'time_format' => $this->settings_model->get_setting('time_format')
             ];
 
-            $this->synchronization->sync_appointment_saved($updatedAppointment, $service, $provider, $customer, $settings, TRUE);
-            $this->notifications->notify_appointment_saved($updatedAppointment, $service, $provider, $customer, $settings, TRUE);
+            $this->synchronization->sync_appointment_saved($updated_appointment, $service, $provider, $customer, $settings, TRUE);
+            $this->notifications->notify_appointment_saved($updated_appointment, $service, $provider, $customer, $settings, TRUE);
 
 
             // Fetch the updated object from the database and return it to the client.
@@ -216,7 +216,7 @@ class Appointments extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -255,7 +255,7 @@ class Appointments extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 }
diff --git a/application/controllers/api/v1/Availabilities.php b/application/controllers/api/v1/Availabilities.php
index a3501637..a7840228 100644
--- a/application/controllers/api/v1/Availabilities.php
+++ b/application/controllers/api/v1/Availabilities.php
@@ -66,8 +66,8 @@ class Availabilities extends API_V1_Controller {
     {
         try
         {
-            $providerId = new UnsignedInteger($this->input->get('providerId'));
-            $serviceId = new UnsignedInteger($this->input->get('serviceId'));
+            $provider_id = new UnsignedInteger($this->input->get('providerId'));
+            $service_id = new UnsignedInteger($this->input->get('serviceId'));
 
             if ($this->input->get('date'))
             {
@@ -78,49 +78,49 @@ class Availabilities extends API_V1_Controller {
                 $date = new DateTime();
             }
 
-            $provider = $this->providers_model->get_row($providerId->get());
-            $service = $this->services_model->get_row($serviceId->get());
+            $provider = $this->providers_model->get_row($provider_id->get());
+            $service = $this->services_model->get_row($service_id->get());
 
-            $emptyPeriods = $this->_getProviderAvailableTimePeriods($providerId->get(),
+            $empty_periods = $this->get_provider_available_time_periods($provider_id->get(),
                 $date->format('Y-m-d'), []);
 
-            $availableHours = $this->_calculateAvailableHours($emptyPeriods,
+            $available_hours = $this->calculate_available_hours($empty_periods,
                 $date->format('Y-m-d'), $service['duration'], FALSE, $service['availabilities_type']);
 
             if ($service['attendants_number'] > 1)
             {
-                $availableHours = $this->_getMultipleAttendantsHours($date->format('Y-m-d'), $service, $provider);
+                $available_hours = $this->get_multiple_attendants_hours($date->format('Y-m-d'), $service, $provider);
             }
 
-            // If the selected date is today, remove past hours. It is important  include the timeout before
-            // booking that is set in the back-office the system. Normally we might want the customer to book
-            // an appointment that is at least half or one hour from now. The setting is stored in minutes.
+            // If the selected date is today, remove past hours. It is important  include the timeout before booking
+            // that is set in the back-office the system. Normally we might want the customer to book an appointment
+            // that is at least half or one hour from now. The setting is stored in minutes.
             if ($date->format('Y-m-d') === date('Y-m-d'))
             {
-                $bookAdvanceTimeout = $this->settings_model->get_setting('book_advance_timeout');
+                $book_advance_timeout = $this->settings_model->get_setting('book_advance_timeout');
 
-                foreach ($availableHours as $index => $value)
+                foreach ($available_hours as $index => $value)
                 {
-                    $availableHour = strtotime($value);
-                    $currentHour = strtotime('+' . $bookAdvanceTimeout . ' minutes', strtotime('now'));
-                    if ($availableHour <= $currentHour)
+                    $available_hour = strtotime($value);
+                    $currentHour = strtotime('+' . $book_advance_timeout . ' minutes', strtotime('now'));
+                    if ($available_hour <= $currentHour)
                     {
-                        unset($availableHours[$index]);
+                        unset($available_hours[$index]);
                     }
                 }
             }
 
-            $availableHours = array_values($availableHours);
-            sort($availableHours, SORT_STRING);
-            $availableHours = array_values($availableHours);
+            $available_hours = array_values($available_hours);
+            sort($available_hours, SORT_STRING);
+            $available_hours = array_values($available_hours);
 
             $this->output
                 ->set_content_type('application/json')
-                ->set_output(json_encode($availableHours));
+                ->set_output(json_encode($available_hours));
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -139,7 +139,7 @@ class Availabilities extends API_V1_Controller {
      *
      * @return array Returns an array with the available time periods of the provider.
      */
-    protected function _getProviderAvailableTimePeriods(
+    protected function get_provider_available_time_periods(
         $provider_id,
         $selected_date,
         $exclude_appointments = []
@@ -342,7 +342,7 @@ class Availabilities extends API_V1_Controller {
      *
      * @return array Returns an array with the available hours for the appointment.
      */
-    protected function _calculateAvailableHours(
+    protected function calculate_available_hours(
         array $empty_periods,
         $selected_date,
         $service_duration,
@@ -385,7 +385,7 @@ class Availabilities extends API_V1_Controller {
      *
      * @return array Returns the available hours array.
      */
-    protected function _getMultipleAttendantsHours(
+    protected function get_multiple_attendants_hours(
         $selected_date,
         $service,
         $provider
@@ -412,8 +412,8 @@ class Availabilities extends API_V1_Controller {
             ]
         ];
 
-        $periods = $this->_removeBreaks($selected_date, $periods, $working_hours['breaks']);
-        $periods = $this->_removeUnavailabilities($periods, $unavailabilities);
+        $periods = $this->remove_breaks($selected_date, $periods, $working_hours['breaks']);
+        $periods = $this->remove_unavailabilities($periods, $unavailabilities);
 
         $hours = [];
 
@@ -455,7 +455,7 @@ class Availabilities extends API_V1_Controller {
      *
      * @return array Returns the available time periods without the breaks.
      */
-    public function _removeBreaks($selected_date, $periods, $breaks)
+    public function remove_breaks($selected_date, $periods, $breaks)
     {
         if ( ! $breaks)
         {
@@ -517,7 +517,7 @@ class Availabilities extends API_V1_Controller {
      *
      * @return array Returns the available time periods without the unavailabilities.
      */
-    public function _removeUnavailabilities($periods, $unavailabilities)
+    public function remove_unavailabilities($periods, $unavailabilities)
     {
         foreach ($unavailabilities as $unavailability)
         {
diff --git a/application/controllers/api/v1/Categories.php b/application/controllers/api/v1/Categories.php
index eb5a6649..3e1c8b86 100644
--- a/application/controllers/api/v1/Categories.php
+++ b/application/controllers/api/v1/Categories.php
@@ -76,7 +76,7 @@ class Categories extends API_V1_Controller {
 
             if ($id !== NULL && count($categories) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $response = new Response($categories);
@@ -92,7 +92,7 @@ class Categories extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -123,7 +123,7 @@ class Categories extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -141,15 +141,15 @@ class Categories extends API_V1_Controller {
 
             if ($id !== NULL && count($batch) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $request = new Request();
-            $updatedCategory = $request->getBody();
-            $baseCategory = $batch[0];
-            $this->parser->decode($updatedCategory, $baseCategory);
-            $updatedCategory['id'] = $id;
-            $id = $this->services_model->add_category($updatedCategory);
+            $updated_category = $request->getBody();
+            $base_category = $batch[0];
+            $this->parser->decode($updated_category, $base_category);
+            $updated_category['id'] = $id;
+            $id = $this->services_model->add_category($updated_category);
 
             // Fetch the updated object from the database and return it to the client.
             $batch = $this->services_model->get_all_categories('id = ' . $id);
@@ -158,7 +158,7 @@ class Categories extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -182,7 +182,7 @@ class Categories extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 }
diff --git a/application/controllers/api/v1/Customers.php b/application/controllers/api/v1/Customers.php
index e2d9a332..ce95ea8e 100644
--- a/application/controllers/api/v1/Customers.php
+++ b/application/controllers/api/v1/Customers.php
@@ -76,7 +76,7 @@ class Customers extends API_V1_Controller {
 
             if ($id !== NULL && count($customers) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $response = new Response($customers);
@@ -92,7 +92,7 @@ class Customers extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -123,7 +123,7 @@ class Customers extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -141,15 +141,15 @@ class Customers extends API_V1_Controller {
 
             if ($id !== NULL && count($batch) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $request = new Request();
-            $updatedCustomer = $request->getBody();
-            $baseCustomer = $batch[0];
-            $this->parser->decode($updatedCustomer, $baseCustomer);
-            $updatedCustomer['id'] = $id;
-            $id = $this->customers_model->add($updatedCustomer);
+            $updated_customer = $request->getBody();
+            $base_customer = $batch[0];
+            $this->parser->decode($updated_customer, $base_customer);
+            $updated_customer['id'] = $id;
+            $id = $this->customers_model->add($updated_customer);
 
             // Fetch the updated object from the database and return it to the client.
             $batch = $this->customers_model->get_batch('id = ' . $id);
@@ -158,7 +158,7 @@ class Customers extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -182,7 +182,7 @@ class Customers extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 }
diff --git a/application/controllers/api/v1/Providers.php b/application/controllers/api/v1/Providers.php
index 2918e053..fe342cbb 100644
--- a/application/controllers/api/v1/Providers.php
+++ b/application/controllers/api/v1/Providers.php
@@ -76,7 +76,7 @@ class Providers extends API_V1_Controller {
 
             if ($id !== NULL && count($providers) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $response = new Response($providers);
@@ -92,7 +92,7 @@ class Providers extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -123,7 +123,7 @@ class Providers extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -141,15 +141,15 @@ class Providers extends API_V1_Controller {
 
             if ($id !== NULL && count($batch) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $request = new Request();
-            $updatedProvider = $request->getBody();
-            $baseProvider = $batch[0];
-            $this->parser->decode($updatedProvider, $baseProvider);
-            $updatedProvider['id'] = $id;
-            $id = $this->providers_model->add($updatedProvider);
+            $updated_provider = $request->getBody();
+            $base_provider = $batch[0];
+            $this->parser->decode($updated_provider, $base_provider);
+            $updated_provider['id'] = $id;
+            $id = $this->providers_model->add($updated_provider);
 
             // Fetch the updated object from the database and return it to the client.
             $batch = $this->providers_model->get_batch('id = ' . $id);
@@ -158,7 +158,7 @@ class Providers extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -182,7 +182,7 @@ class Providers extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 }
diff --git a/application/controllers/api/v1/Secretaries.php b/application/controllers/api/v1/Secretaries.php
index 605fd711..fcff6060 100644
--- a/application/controllers/api/v1/Secretaries.php
+++ b/application/controllers/api/v1/Secretaries.php
@@ -76,7 +76,7 @@ class Secretaries extends API_V1_Controller {
 
             if ($id !== NULL && count($secretaries) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $response = new Response($secretaries);
@@ -92,7 +92,7 @@ class Secretaries extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -123,7 +123,7 @@ class Secretaries extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -141,15 +141,15 @@ class Secretaries extends API_V1_Controller {
 
             if ($id !== NULL && count($batch) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $request = new Request();
-            $updatedSecretary = $request->getBody();
-            $baseSecretary = $batch[0];
-            $this->parser->decode($updatedSecretary, $baseSecretary);
-            $updatedSecretary['id'] = $id;
-            $id = $this->secretaries_model->add($updatedSecretary);
+            $updated_secretary = $request->getBody();
+            $base_secretary = $batch[0];
+            $this->parser->decode($updated_secretary, $base_secretary);
+            $updated_secretary['id'] = $id;
+            $id = $this->secretaries_model->add($updated_secretary);
 
             // Fetch the updated object from the database and return it to the client.
             $batch = $this->secretaries_model->get_batch('id = ' . $id);
@@ -158,7 +158,7 @@ class Secretaries extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -182,7 +182,7 @@ class Secretaries extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 }
diff --git a/application/controllers/api/v1/Services.php b/application/controllers/api/v1/Services.php
index 6aa9ccf1..0aace4a0 100644
--- a/application/controllers/api/v1/Services.php
+++ b/application/controllers/api/v1/Services.php
@@ -76,7 +76,7 @@ class Services extends API_V1_Controller {
 
             if ($id !== NULL && count($services) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $response = new Response($services);
@@ -92,7 +92,7 @@ class Services extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -123,7 +123,7 @@ class Services extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -141,15 +141,15 @@ class Services extends API_V1_Controller {
 
             if ($id !== NULL && count($batch) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $request = new Request();
-            $updatedService = $request->getBody();
-            $baseService = $batch[0];
-            $this->parser->decode($updatedService, $baseService);
-            $updatedService['id'] = $id;
-            $id = $this->services_model->add($updatedService);
+            $updated_service = $request->getBody();
+            $base_service = $batch[0];
+            $this->parser->decode($updated_service, $base_service);
+            $updated_service['id'] = $id;
+            $id = $this->services_model->add($updated_service);
 
             // Fetch the updated object from the database and return it to the client.
             $batch = $this->services_model->get_batch('id = ' . $id);
@@ -158,7 +158,7 @@ class Services extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 
@@ -182,7 +182,7 @@ class Services extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            $this->_handleException($exception);
+            $this->handle_exception($exception);
         }
     }
 }
diff --git a/application/controllers/api/v1/Settings.php b/application/controllers/api/v1/Settings.php
index 19a82f28..2936d4f4 100644
--- a/application/controllers/api/v1/Settings.php
+++ b/application/controllers/api/v1/Settings.php
@@ -87,7 +87,7 @@ class Settings extends API_V1_Controller {
 
                 if (empty($setting))
                 {
-                    $this->_throwRecordNotFound();
+                    $this->throw_record_not_found();
                 }
 
                 unset($setting['id']);
@@ -110,7 +110,7 @@ class Settings extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -138,7 +138,7 @@ class Settings extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -162,7 +162,7 @@ class Settings extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 }
diff --git a/application/controllers/api/v1/Unavailabilities.php b/application/controllers/api/v1/Unavailabilities.php
index bc2cc2c9..c1d81b9c 100644
--- a/application/controllers/api/v1/Unavailabilities.php
+++ b/application/controllers/api/v1/Unavailabilities.php
@@ -76,7 +76,7 @@ class Unavailabilities extends API_V1_Controller {
 
             if ($id !== NULL && count($unavailabilities) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $response = new Response($unavailabilities);
@@ -92,7 +92,7 @@ class Unavailabilities extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -123,7 +123,7 @@ class Unavailabilities extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -141,7 +141,7 @@ class Unavailabilities extends API_V1_Controller {
 
             if ($id !== NULL && count($batch) === 0)
             {
-                $this->_throwRecordNotFound();
+                $this->throw_record_not_found();
             }
 
             $request = new Request();
@@ -158,7 +158,7 @@ class Unavailabilities extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 
@@ -182,7 +182,7 @@ class Unavailabilities extends API_V1_Controller {
         }
         catch (Exception $exception)
         {
-            exit($this->_handleException($exception));
+            exit($this->handle_exception($exception));
         }
     }
 }