diff --git a/TrackierSDK/example-app-kotlin/app/src/main/java/com/trackier/example_app_kotlin/MainActivity.kt b/TrackierSDK/example-app-kotlin/app/src/main/java/com/trackier/example_app_kotlin/MainActivity.kt
index be57d4a..aef03d7 100644
--- a/TrackierSDK/example-app-kotlin/app/src/main/java/com/trackier/example_app_kotlin/MainActivity.kt
+++ b/TrackierSDK/example-app-kotlin/app/src/main/java/com/trackier/example_app_kotlin/MainActivity.kt
@@ -59,7 +59,7 @@ class MainActivity : AppCompatActivity(){
             }
         }
 
-        requestPermission()
+        //requestPermission()
 
     }
     private fun getUri(): Uri? {
diff --git a/TrackierSDK/example-app-kotlin/app/src/main/java/com/trackier/example_app_kotlin/MainApplication.kt b/TrackierSDK/example-app-kotlin/app/src/main/java/com/trackier/example_app_kotlin/MainApplication.kt
index 86aa429..b7e88ca 100644
--- a/TrackierSDK/example-app-kotlin/app/src/main/java/com/trackier/example_app_kotlin/MainApplication.kt
+++ b/TrackierSDK/example-app-kotlin/app/src/main/java/com/trackier/example_app_kotlin/MainApplication.kt
@@ -38,8 +38,13 @@ class MainApplication : Application() {
         val sdkConfig = TrackierSDKConfig(this, TR_DEV_KEY, "development")
         val apkAttributes = AttributionParams("kFyW2bEizc", subSiteID= "sub_partner_tiktok", siteId = "google")
         sdkConfig.setAttributionParams(apkAttributes)
-        sdkConfig.setManualMode(true)
-        TrackierSDK.setLocalRefTrack(true,"_")
+//        sdkConfig.setManualMode(true)
+//        TrackierSDK.setLocalRefTrack(true,"_")
+        TrackierSDK.setUserId("pppppp")
+        TrackierSDK.setUserEmail("abc@gmail.com")
+        val userAdditionalDetails: MutableMap<String,Any> = mutableMapOf()
+        userAdditionalDetails.put("userMobile",9999000000)
+        TrackierSDK.setUserAdditionalDetails(userAdditionalDetails)
         TrackierSDK.initialize(sdkConfig)
     }
 }
diff --git a/TrackierSDK/gradle.properties b/TrackierSDK/gradle.properties
index ff434f9..9f6d9b8 100644
--- a/TrackierSDK/gradle.properties
+++ b/TrackierSDK/gradle.properties
@@ -19,8 +19,8 @@ android.enableJetifier=true
 POM_DEVELOPER_ID=trackier
 POM_DEVELOPER_NAME=Trackier
 POM_LICENCE_DIST=repo
-VERSION_CODE=6
-VERSION_NAME=1.6.3
+VERSION_CODE=7
+VERSION_NAME=1.6.4
 GROUP=com.trackier
 POM_SCM_DEV_CONNECTION=scm\:git@github.com\:trackier/android_sdk.git
 POM_LICENCE_NAME=The Apache Software License, Version 2.0
diff --git a/TrackierSDK/sdk-core/build.gradle b/TrackierSDK/sdk-core/build.gradle
index c2fcbe9..5731771 100644
--- a/TrackierSDK/sdk-core/build.gradle
+++ b/TrackierSDK/sdk-core/build.gradle
@@ -20,8 +20,8 @@ android {
     defaultConfig {
         minSdkVersion 16
         targetSdkVersion 30
-        versionCode 1
-        versionName "1.6.0"
+        versionCode 7
+        versionName "1.6.4"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles "consumer-rules.pro"
diff --git a/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/Constants.kt b/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/Constants.kt
index 1aa1a95..79704e5 100644
--- a/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/Constants.kt
+++ b/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/Constants.kt
@@ -1,7 +1,7 @@
 package com.trackier.sdk
 
 object Constants {
-    const val SDK_VERSION = "1.6.3"
+    const val SDK_VERSION = "1.6.4"
     const val USER_AGENT = "com.cloudstuff.trackiersdk:trackier-android:" + SDK_VERSION
     const val API_VERSION = "v1"
     const val BASE_URL = "https://events.trackier.io/" + API_VERSION + "/"
diff --git a/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierSDK.kt b/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierSDK.kt
index e4463ec..4f9aad2 100644
--- a/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierSDK.kt
+++ b/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierSDK.kt
@@ -71,4 +71,19 @@ object TrackierSDK {
      fun fireInstall() {
         instance.fireInstall()
     }
+
+    @JvmStatic
+    fun setUserId(userId: String) {
+       instance.customerId = userId
+    }
+
+    @JvmStatic
+    fun setUserEmail(userEmail: String) {
+        instance.customerEmail = userEmail
+    }
+
+    @JvmStatic
+    fun setUserAdditionalDetails(userAdditionalDetails: MutableMap<String, Any>) {
+        instance.customerOptionals = userAdditionalDetails
+    }
 }
diff --git a/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierSDKInstance.kt b/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierSDKInstance.kt
index 93b3dce..0a4ef1d 100644
--- a/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierSDKInstance.kt
+++ b/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierSDKInstance.kt
@@ -23,6 +23,10 @@ class TrackierSDKInstance {
     var localRefDelimeter = ""
     var isManualInstall = false
 
+    var customerId = ""
+    var customerEmail = ""
+    var customerOptionals: MutableMap<String, Any>? = null
+
     /**
      * Initialize method should be called to initialize the sdk
      */
@@ -120,6 +124,9 @@ class TrackierSDKInstance {
         trackierWorkRequest.gaid = gaid
         trackierWorkRequest.refDetails = getReferrerDetails()
         trackierWorkRequest.installID = installId
+        trackierWorkRequest.customerId = this.customerId
+        trackierWorkRequest.customerEmail = this.customerEmail
+        trackierWorkRequest.customerOptionals = this.customerOptionals
         trackierWorkRequest.attributionParams = this.config.getAttributionParams()
         trackierWorkRequest.sdtk = this.config.getSDKType()
 
diff --git a/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierWorkRequest.kt b/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierWorkRequest.kt
index c0c4053..c7b6351 100644
--- a/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierWorkRequest.kt
+++ b/TrackierSDK/sdk-core/src/main/java/com/trackier/sdk/TrackierWorkRequest.kt
@@ -18,6 +18,9 @@ class TrackierWorkRequest(val kind: String, private val appToken: String, privat
     var sessionTime = ""
     var sdtk = ""
     var attributionParams: AttributionParams? = null
+    var customerId = ""
+    var customerEmail = ""
+    var customerOptionals: MutableMap<String, Any>? = null
 
     private fun setDefaults(): MutableMap<String, Any> {
         val body = mutableMapOf<String, Any>()
@@ -34,6 +37,11 @@ class TrackierWorkRequest(val kind: String, private val appToken: String, privat
         body["appKey"] = appToken
         body["mode"] = mode
         body["sdkt"] = sdtk
+        body["cuid"] = customerId
+        body["cmail"] = customerEmail
+        if (customerOptionals != null) {
+            body["opts"] = customerOptionals!!
+        }
 
         val adnAttributes = this.attributionParams?.getData()
         if (adnAttributes != null) {