diff --git a/api/v3/TwingleCampaign/Getsingle.php b/api/v3/TwingleCampaign/Getsingle.php
index a4126ab..2f9c97c 100644
--- a/api/v3/TwingleCampaign/Getsingle.php
+++ b/api/v3/TwingleCampaign/Getsingle.php
@@ -10,36 +10,90 @@ use CRM_TwingleCampaign_ExtensionUtil as E;
  * @see https://docs.civicrm.org/dev/en/latest/framework/api-architecture/
  */
 function _civicrm_api3_twingle_campaign_Getsingle_spec(&$spec) {
-  $spec['magicword']['api.required'] = 1;
+  $spec['id'] = [
+    'name'         => 'id',
+    'title'        => E::ts('Twingle Campaign ID'),
+    'type'         => CRM_Utils_Type::T_INT,
+    'api.required' => 0,
+    'description'  => E::ts('The Twingle Campaign ID'),
+  ];
+  $spec['name'] = [
+    'name'         => 'name',
+    'title'        => E::ts('Campaign Name'),
+    'type'         => CRM_Utils_Type::T_STRING,
+    'api.required' => 0,
+    'description'  => E::ts('Name of the Campaign'),
+  ];
+  $spec['title'] = [
+    'name'         => 'title',
+    'title'        => E::ts('Campaign Title'),
+    'type'         => CRM_Utils_Type::T_STRING,
+    'api.required' => 0,
+    'description'  => E::ts('Title of the Campaign'),
+  ];
+  $spec['start_date'] = [
+    'name'         => 'start_date',
+    'title'        => E::ts('Campaign Start Date'),
+    'type'         => CRM_Utils_Type::T_STRING,
+    'api.required' => 0,
+    'description'  => E::ts('Date and Time that Campaign starts.'),
+  ];
+  $spec['last_modified_id'] = [
+    'name'         => 'last_modified_id',
+    'title'        => E::ts('Campaign Modified By'),
+    'type'         => CRM_Utils_Type::T_INT,
+    'api.required' => 0,
+    'description'  => E::ts('FK ti civicrm_contact, who recently edited this campaign'),
+    'FKClassName'  => 'CRM_Contact_DAO_Contact',
+  ];
+  $spec['last_modified_date'] = [
+    'name'         => 'last_modified_date',
+    'title'        => E::ts('Campaign Modified Date'),
+    'type'         => CRM_Utils_Type::T_STRING,
+    'api.required' => 0,
+    'description'  => E::ts('FK ti civicrm_contact, who recently edited this campaign'),
+  ];
+  $spec['is_active'] = [
+    'name'         => 'is_active',
+    'title'        => E::ts('Campaign is active'),
+    'type'         => CRM_Utils_Type::T_BOOLEAN,
+    'api.required' => 0,
+    'description'  => E::ts('Is this Campaign enabled or disabled/cancelled?'),
+  ];
 }
 
 /**
- * TwingleCampaign.Getsingle API
+ * # TwingleCampaign.Getsingle API
  *
  * @param array $params
  *
  * @return array
  *   API result descriptor
  *
+ * @throws \CiviCRM_API3_Exception
  * @see civicrm_api3_create_success
  *
- * @throws API_Exception
  */
-function civicrm_api3_twingle_campaign_Getsingle($params) {
-  if (array_key_exists('magicword', $params) && $params['magicword'] == 'sesame') {
-    $returnValues = array(
-      // OK, return several data rows
-      12 => ['id' => 12, 'name' => 'Twelve'],
-      34 => ['id' => 34, 'name' => 'Thirty four'],
-      56 => ['id' => 56, 'name' => 'Fifty six'],
-    );
-    // ALTERNATIVE: $returnValues = []; // OK, success
-    // ALTERNATIVE: $returnValues = ["Some value"]; // OK, return a single value
+function civicrm_api3_twingle_campaign_Getsingle(array $params): array {
 
-    // Spec: civicrm_api3_create_success($values = 1, $params = [], $entity = NULL, $action = NULL)
-    return civicrm_api3_create_success($returnValues, $params, 'TwingleCampaign', 'Getsingle');
-  }
-  else {
-    throw new API_Exception(/*error_message*/ 'Everyone knows that the magicword is "sesame"', /*error_code*/ 'magicword_incorrect');
+  // filter parameters
+  $allowed_params = [];
+  _civicrm_api3_twingle_campaign_Getsingle_spec($allowed_params);
+  $params = array_intersect_key($params, $allowed_params);
+
+  // Get TwingleCampaign by provided parameters
+  $returnValues = civicrm_api3('TwingleCampaign', 'get', $params);
+  $count = $returnValues['count'];
+
+  // Check whether only a single TwingleCampaign is found
+  if ($count != 1) {
+    return civicrm_api3_create_error(
+      "Expected one TwingleCampaign but found $count"
+    );
   }
+  return civicrm_api3_create_success(
+    $returnValues['values'][$returnValues['id']],
+    $params, 'TwingleCampaign',
+    'Getsingle'
+  );
 }