diff --git a/api/FHIR/Patient/index.js b/api/FHIR/Patient/index.js
index 854f3755..3337aad9 100644
--- a/api/FHIR/Patient/index.js
+++ b/api/FHIR/Patient/index.js
@@ -10,7 +10,9 @@ const config = require('../../../config/config');
 if (_.get(config, "Patient.interaction.search", true)) {
     router.get('/', FHIRValidateParams({
         "_offset": joi.number().integer(),
-        "_count": joi.number().integer()
+        "_count": joi.number().integer(),
+        "_pretty": joi.boolean().default(true),
+        "_total": joi.string().allow("none", "estimate", "accurate").default("estimate")
     }, "query", {
         allowUnknown: true
     }), require('./controller/getPatient'));
diff --git a/api_generator/API_Generator_V2.js b/api_generator/API_Generator_V2.js
index d450333c..db1509df 100644
--- a/api_generator/API_Generator_V2.js
+++ b/api_generator/API_Generator_V2.js
@@ -251,7 +251,9 @@ function generateAPI(option) {
         if (_.get(config, "${res}.interaction.search", true)) {
             router.get('/', FHIRValidateParams({
                 "_offset": joi.number().integer(),
-                "_count": joi.number().integer()
+                "_count": joi.number().integer(),
+                "_pretty": joi.boolean().default(true),
+                "_total": joi.string().allow("none", "estimate", "accurate").default("estimate")
             }, "query", {
                 allowUnknown: true
             }), require('./controller/get${res}'));