diff --git a/lib/commands/smapi/cli-customization-processor.js b/lib/commands/smapi/cli-customization-processor.js
index 4d4c32d2..12429ff8 100644
--- a/lib/commands/smapi/cli-customization-processor.js
+++ b/lib/commands/smapi/cli-customization-processor.js
@@ -90,6 +90,10 @@ class CliCustomizationProcessor {
         return definitions.get(schema);
     }
 
+    _shouldParseAsJson(property) {
+        return property.type === 'object' || (property.type === 'array' && '$ref' in property.items);
+    }
+
     _appendSecondLevelProperty(customizationMetadata, parentName, rootName, secondLevelDefinition, required, definitions) {
         let customizedParameter;
         const parentDescription = secondLevelDefinition.description;
@@ -106,7 +110,7 @@ class CliCustomizationProcessor {
                 enumOptions = schema.enum;
                 description = schema.description || description;
             }
-            const json = property.type === 'object';
+            const json = this._shouldParseAsJson(property);
             const bodyPath = `${parentName}${BODY_PATH_DELIMITER}${key}`;
             customizedParameter = { name: `${parentName} ${key}`, description, rootName, required, bodyPath, enum: enumOptions, json };
             this._addCustomizedParameter(customizationMetadata, customizedParameter);
@@ -130,7 +134,7 @@ class CliCustomizationProcessor {
                 this._appendSecondLevelProperty(customizationMetadata, key, rootName, secondLevelDefinition, isRequired, definitions);
             } else {
                 const { description } = property;
-                const json = property.type === 'object';
+                const json = this._shouldParseAsJson(property);
                 // required inherited from parent param
                 const customizedParameter = { name: key, description, rootName, required: param.required, bodyPath: key, json };
                 this._addCustomizedParameter(customizationMetadata, customizedParameter);
diff --git a/lib/commands/smapi/customizations/hook-functions/map-testers-emails.js b/lib/commands/smapi/customizations/hook-functions/map-testers-emails.js
index 70037ef1..e80de7fa 100644
--- a/lib/commands/smapi/customizations/hook-functions/map-testers-emails.js
+++ b/lib/commands/smapi/customizations/hook-functions/map-testers-emails.js
@@ -4,7 +4,7 @@
  */
 const mapTestersEmails = (requestParameters) => {
     const { testersEmails } = requestParameters;
-    requestParameters.TestersRequest = {
+    requestParameters.testersRequest = {
         testers: testersEmails.map(email => ({ emailId: email }))
     };
 
diff --git a/lib/commands/smapi/customizations/smapi-hooks.js b/lib/commands/smapi/customizations/smapi-hooks.js
index 7f86b36a..34b65fb8 100644
--- a/lib/commands/smapi/customizations/smapi-hooks.js
+++ b/lib/commands/smapi/customizations/smapi-hooks.js
@@ -1,3 +1,4 @@
+const { ModelIntrospector } = require('ask-smapi-sdk');
 const appendVendorId = require('@src/commands/smapi/customizations/hook-functions/append-vendor-id');
 const mapTestersEmails = require('@src/commands/smapi/customizations/hook-functions/map-testers-emails');
 
@@ -7,19 +8,31 @@ const events = {
 
 const operationHooks = new Map();
 
-operationHooks.set('createSkillForVendorV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
-operationHooks.set('createIspForVendorV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
-operationHooks.set('getIspListForVendorV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
-operationHooks.set('getAlexaHostedSkillUserPermissionsV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
-operationHooks.set('listInteractionModelCatalogsV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
-operationHooks.set('listInteractionModelSlotTypesV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
-operationHooks.set('listSkillsForVendorV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
-operationHooks.set('addTestersToBetaTestV1', new Map([[events.BEFORE_SEND, mapTestersEmails]]));
-operationHooks.set('removeTestersFromBetaTestV1', new Map([[events.BEFORE_SEND, mapTestersEmails]]));
-operationHooks.set('sendReminderToTestersV1', new Map([[events.BEFORE_SEND, mapTestersEmails]]));
-operationHooks.set('requestFeedbackFromTestersV1', new Map([[events.BEFORE_SEND, mapTestersEmails]]));
+const _autoRegisterHooks = () => {
+    const modelIntrospector = new ModelIntrospector();
+    const operations = modelIntrospector.getOperations();
+    operations.forEach(operation => {
+        operation.params.forEach(param => {
+            switch (param.name) {
+            case 'vendorId':
+                operationHooks.set(operation.apiOperationName, new Map([[events.BEFORE_SEND, appendVendorId]]));
+                break;
+            case 'TestersRequest':
+                operationHooks.set(operation.apiOperationName, new Map([[events.BEFORE_SEND, mapTestersEmails]]));
+                break;
+            default:
+            }
+        });
+    });
+};
 
+const _manualRegisterHooks = () => {
+    operationHooks.set('createIspForVendorV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
+    operationHooks.set('createSkillForVendorV1', new Map([[events.BEFORE_SEND, appendVendorId]]));
+};
 
+_autoRegisterHooks();
+_manualRegisterHooks();
 class SmapiHooks {
     /**
      * Returns object with available hook events.
diff --git a/lib/commands/smapi/smapi-command-handler.js b/lib/commands/smapi/smapi-command-handler.js
index 9ece17b6..dcabd698 100644
--- a/lib/commands/smapi/smapi-command-handler.js
+++ b/lib/commands/smapi/smapi-command-handler.js
@@ -9,6 +9,7 @@ const jsonView = require('@src/view/json-view');
 const Messenger = require('@src/view/messenger');
 const profileHelper = require('@src/utils/profile-helper');
 const unflatten = require('@src/utils/unflatten');
+const { getParamNames } = require('@src/utils/string-utils');
 
 const { BODY_PATH_DELIMITER, ARRAY_SPLIT_DELIMITER } = require('./cli-customization-processor');
 const SmapiHooks = require('./customizations/smapi-hooks');
@@ -18,12 +19,13 @@ const configFilePath = path.join(os.homedir(), CONSTANTS.FILE_PATH.ASK.HIDDEN_FO
 const _mapToArgs = (params, paramsObject) => {
     const res = [];
     params.forEach(param => {
-        const { name } = param;
-        if (paramsObject[name]) {
-            res.push(paramsObject[name]);
-        } else {
-            res.push(null);
-        }
+        let value = null;
+        Object.keys(paramsObject).forEach(k => {
+            if (k.toLowerCase() === param.toLowerCase()) {
+                value = paramsObject[k];
+            }
+        });
+        res.push(value);
     });
     return res;
 };
@@ -62,7 +64,7 @@ const _mapToParams = (optionsValues, flatParamsMap, commanderToApiCustomizationM
  * for api properties.
  * @param {Object} cmdObj Commander object with passed values.
  */
-const smapiCommandHandler = (swaggerApiOperationName, swaggerParams, flatParamsMap, commanderToApiCustomizationMap, inputCmdObj) => {
+const smapiCommandHandler = (swaggerApiOperationName, flatParamsMap, commanderToApiCustomizationMap, inputCmdObj) => {
     new AppConfig(configFilePath);
     const authorizationController = new AuthorizationController({
         auth_client_type: 'LWA'
@@ -90,7 +92,8 @@ const smapiCommandHandler = (swaggerApiOperationName, swaggerParams, flatParamsM
         Messenger.getInstance().info('Payload:');
         Messenger.getInstance().info(jsonView.toString(paramsObject));
     }
-    const args = _mapToArgs(swaggerParams, paramsObject);
+    const params = getParamNames(client[swaggerApiOperationName]);
+    const args = _mapToArgs(params, paramsObject);
     return client[swaggerApiOperationName](...args);
 };
 
diff --git a/lib/commands/smapi/smapi-commander.js b/lib/commands/smapi/smapi-commander.js
index 3bad2805..a8aa59f4 100644
--- a/lib/commands/smapi/smapi-commander.js
+++ b/lib/commands/smapi/smapi-commander.js
@@ -80,7 +80,6 @@ const makeSmapiCommander = () => {
         });
         commanderInstance.action((inputCmdObj) => smapiCommandHandler(
             apiOperationName,
-            operation.params,
             flatParamsMap,
             commanderToApiCustomizationMap,
             inputCmdObj
diff --git a/lib/utils/string-utils.js b/lib/utils/string-utils.js
index 10cc4bb2..1b6dc8c5 100644
--- a/lib/utils/string-utils.js
+++ b/lib/utils/string-utils.js
@@ -2,6 +2,7 @@ const R = require('ramda');
 const CONSTANTS = require('@src/utils/constants');
 
 module.exports = {
+    getParamNames,
     camelCase,
     kebabCase,
     isNonEmptyString,
@@ -12,6 +13,15 @@ module.exports = {
     validateSyntax
 };
 
+function getParamNames(func) {
+    const STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
+    const ARGUMENT_NAMES = /([^\s,]+)/g;
+    const fnStr = func.toString().replace(STRIP_COMMENTS, '');
+    let result = fnStr.slice(fnStr.indexOf('(') + 1, fnStr.indexOf(')')).match(ARGUMENT_NAMES);
+    if (result === null) result = [];
+    return result;
+}
+
 function camelCase(str) {
     return str
         .replace(/(?:^\w|[A-Z]|\b\w)/g, (word, index) => (index === 0 ? word.toLowerCase() : word.toUpperCase()))
diff --git a/test/unit/commands/smapi/cli-customization-processor-test.js b/test/unit/commands/smapi/cli-customization-processor-test.js
index a4319b31..9a4e391d 100644
--- a/test/unit/commands/smapi/cli-customization-processor-test.js
+++ b/test/unit/commands/smapi/cli-customization-processor-test.js
@@ -35,6 +35,7 @@ describe('Smapi test - CliCustomizationProcessor class', () => {
     const nestedPropertyName = 'nestedProperty';
     const nestedEnumPropertyName = 'nestedEnumProperty';
     const bodyProperty = {};
+    const bodyPropertyWithArray = { type: 'array', items: { $ref: 'test' } };
     const bodyPropertyWithDescription = { description: 'property description' };
     const nestedProperty = { $ref: 'SomeObjectType' };
     const nestedEnumProperty = { $ref: 'SomeEnumTypeWithDescription' };
@@ -57,7 +58,11 @@ describe('Smapi test - CliCustomizationProcessor class', () => {
             ['SomeEnumTypeWithDescription', { enum: enumValues, description: enumDescription }],
             ['SomeTypeWithDescription', { enum: enumValues, description: refObjectDescription }],
             ['SomeObjectType', { description: parentDescription,
-                properties: { propertyOne: bodyProperty, propertyTwo: bodyPropertyWithDescription } }],
+                properties: { propertyOne: bodyProperty,
+                    propertyTwo: bodyPropertyWithDescription,
+                    propertyThree: { $ref: 'SomeEnumType' },
+                    propertyFour: { $ref: 'SomeEnumTypeWithDescription' },
+                    propertyFive: bodyPropertyWithArray } }],
             ['SomeNestedType', { required: [nestedPropertyName],
                 properties: { nestedProperty } }],
             ['SomeTooManyPropertiesType', { properties: { ...objectWithTooManyProperties } }],
diff --git a/test/unit/commands/smapi/hook-functions/map-testers-emails-test.js b/test/unit/commands/smapi/hook-functions/map-testers-emails-test.js
index 68a25a35..6fc8f8bd 100644
--- a/test/unit/commands/smapi/hook-functions/map-testers-emails-test.js
+++ b/test/unit/commands/smapi/hook-functions/map-testers-emails-test.js
@@ -3,13 +3,13 @@ const mapTestersEmails = require('@src/commands/smapi/customizations/hook-functi
 
 
 describe('Smapi hook functions test - mapTestersEmails tests', () => {
-    it('| should map testers emails to TestersRequest parameter', () => {
+    it('| should map testers emails to testersRequest parameter', () => {
         const requestParameters = { testersEmails: ['tester1', 'tester2'] };
 
         mapTestersEmails(requestParameters);
 
         const expected = { testers: [{ emailId: 'tester1' }, { emailId: 'tester2' }] };
 
-        expect(requestParameters.TestersRequest).eql(expected);
+        expect(requestParameters.testersRequest).eql(expected);
     });
 });
diff --git a/test/unit/commands/smapi/smapi-command-handler-test.js b/test/unit/commands/smapi/smapi-command-handler-test.js
index 5bb50551..8df51bab 100644
--- a/test/unit/commands/smapi/smapi-command-handler-test.js
+++ b/test/unit/commands/smapi/smapi-command-handler-test.js
@@ -56,14 +56,16 @@ describe('Smapi test - smapiCommandHandler function', () => {
             }
         });
         clientStub[apiOperationName] = sinon.stub().resolves();
+        clientStub[apiOperationName].toString = () => 'function (someJson, skillId, '
+            + 'someNonPopulatedProperty, someArray, simulationsApiRequest) { return 0};';
         sinon.stub(StandardSmapiClientBuilder.prototype, 'client').returns(clientStub);
     });
 
 
     it('| should send smapi command with correct parameter mapping', async () => {
-        await smapiCommandHandler(apiOperationName, params, flatParamsMap, commanderToApiCustomizationMap, cmdObj);
+        await smapiCommandHandler(apiOperationName, flatParamsMap, commanderToApiCustomizationMap, cmdObj);
 
-        const expectedParams = [skillId, null, { input: { content: inputContent }, device: { locale: deviceLocale } }, jsonValue, arrayValue];
+        const expectedParams = [jsonValue, skillId, null, arrayValue, { input: { content: inputContent }, device: { locale: deviceLocale } }];
         const calledParams = clientStub[apiOperationName].args[0];
 
         expect(calledParams).eql(expectedParams);
@@ -73,7 +75,7 @@ describe('Smapi test - smapiCommandHandler function', () => {
         const stubHook = sinon.stub();
         sinon.stub(SmapiHooks, 'getFunction').returns(stubHook);
 
-        await smapiCommandHandler(apiOperationName, params, flatParamsMap, commanderToApiCustomizationMap, cmdObj);
+        await smapiCommandHandler(apiOperationName, flatParamsMap, commanderToApiCustomizationMap, cmdObj);
 
         expect(stubHook.calledOnce).eql(true);
     });
@@ -87,7 +89,7 @@ describe('Smapi test - smapiCommandHandler function', () => {
 
         const messengerStub = sinon.stub(Messenger, 'displayMessage');
 
-        await smapiCommandHandler(apiOperationName, params, flatParamsMap, commanderToApiCustomizationMap, cmdObjDebug);
+        await smapiCommandHandler(apiOperationName, flatParamsMap, commanderToApiCustomizationMap, cmdObjDebug);
 
         expect(messengerStub.args[0]).eql(['INFO', 'Operation: someApiOperation']);
         expect(messengerStub.args[1]).eql(['INFO', 'Payload:']);