Tracking User Attributes

User attributes are specific traits of a user such as an email, username, mobile, gender and so on. User Attributes helps target users based on these attributes across devices or installs or to personalize the messages.

User Login and Logout

It is important that you handle user login and logout as mentioned below. There is a definite possibility that your data gets corrupted if this is not done properly.

Ensure that you have the unique id for your app users and pass that information to MoEngage SDK using the setUniqueId(). The unique id is used to identify a user across installs and platforms and provide a unified view. After the user logs out of your app, it is necessary to call logout() so that we create a new user.

Ensure that you call the following methods on user log in or log out.

Login

c#
using MoEngage;
MoEngageClient.SetUniqueId("UNIQUE ID");

Note: The following values are not allowed in the UniqueID field: "unknown", "guest", "null", "0", "1", "true", "false", "user_attribute_unique_id", "(empty)", "na", "n/a", "", "dummy_seller_code", "user_id", "id", "customer_id", "uid", "userid", "none", "-2", "-1", "2"

Logout

The application needs to notify the MoEngage SDK whenever the user is logged out of the application. To notify the SDK, call the API whenever the user is logged out of the application.

c#
using MoEngage;
MoEngageClient.Logout();

In case the application is registering for push token it should pass the new push token to MoEngage SDK after user logout. For more information about passing push tokens, refer to Push Configuration for Android SDK.

Updating User Attribute Unique Id

Use the method setAlias() to update the user attribute unique id instead of setUniqueId() with a different value. Using the method setUniqueId() with a new value creates unintended users in MoEngage.

c#
using MoEngage;
MoEngageClient.SetAlias("Updated Unique Id");
warning

Warning

Please make sure that you use SetAlias() for updating the Unique Identifier and not SetUniqueId() as calling SetUniqueId() with a new value will reset the current user and lead to the creation of unintended users in our system.

Tracking User Attributes

The SDK provides APIs to track commonly tracked user attributes like First Name, Last Name, Email-Id, etc. Please use the provided methods for tracking these attributes.

c#
using MoEngage;

MoEngageClient.SetFirstName("First Name");
MoEngageClient.SetLastName("Last Name");
MoEngageClient.SetEmail("Email");
MoEngageClient.SetPhoneNumber("Phone number");
MoEngageClient.SetGender(MoEUserGender.MALE); // MoEUserGender.FEMALE
MoEngageClient.SetUserLocation(new GeoLocation(23, 44));
MoEngageClient.SetBirthdate("2020-01-02T08:26:21.170Z"); // ISO Format : yyyy-MM-dd'T'HH:mm:ss.fff'Z'

For setting other User Attributes you can use the generic method SetUserAttribute(key, value)

c#
using MoEngage;
MoEngageClient.SetUserAttribute(key, value);

Tracking Date as user attributes

To track any date as user attributes use the SetUserAttributeISODate(). This API takes the attribute name and ISO Date as input.
Date Format - yyyy-MM-dd'T'HH:mm:ss.fff'Z'

Example:

c#
using MoEngage;
MoEngageClient.SetUserAttributeISODate("userAttrDate", "2019-01-02T08:26:21.170Z");

Tracking Location as user attributes

To track any location as user attributes use the SetUserAttributeLocation(). This API takes the attribute name and an instance of GeoLocation for coordinates as input.
Example:

c#
using MoEngage;
MoEngageClient.SetUserAttributeLocation("bangalore", new GeoLocation(23, 44));

Reserved keywords for User Attributes

Below is the list of keys that should not be used when tracking user attributes.

  • USER_ATTRIBUTE_UNIQUE_ID
  • USER_ATTRIBUTE_USER_EMAIL
  • USER_ATTRIBUTE_USER_MOBILE
  • USER_ATTRIBUTE_USER_NAME
  • USER_ATTRIBUTE_USER_GENDER
  • USER_ATTRIBUTE_USER_FIRST_NAME
  • USER_ATTRIBUTE_USER_LAST_NAME
  • USER_ATTRIBUTE_USER_BDAY
  • MOE_TIME_FORMAT
  • MOE_TIME_TIMEZONE
  • USER_ATTRIBUTE_NOTIFICATION_PREF
  • USER_ATTRIBUTE_OLD_ID
  • MOE_TIME_FORMAT
  • MOE_TIME_TIMEZONE
  • USER_ATTRIBUTE_DND_START_TIME
  • USER_ATTRIBUTE_DND_END_TIME
  • MOE_GAID
  • MOE_ISLAT
  • status

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