# Access in-meeting user information

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> The code on this page works with either the **default UI** or the **custom UI**.

After joining a meeting, access information for each meeting participant through `InMeetingService` and `InMeetingServiceListener`.

Use one of several different IDs, each serving its own purpose, to access user information.

-   **Customer key** - A developer-supplied identifier that may be passed in through the `MeetingOptions` instance used to join a meeting.
-   **User ID** - A nonpersistent, unique per-user identifier assigned by Zoom for the current meeting. If a user leaves and rejoins the same meeting, they get a new user ID assigned each time they join. This is also reassigned when switching between the main meeting and breakout rooms.
-   **Persistent ID** - A per-user identifier assigned by Zoom for the current meeting and all submeetings, such as breakout rooms. This per-user identifier will not be reassigned in the same meeting or submeeting, but users in different meetings may have the same ID value.
-   **Participant ID** - A unique per-user identifier assigned by Zoom to a user's account. This persists across all meetings for an account. You can't access this ID through the Android SDK, but can retrieve it through the REST API.

When a user joins a meeting, get their `InMeetingUserInfo` object.

```kotlin
val inMeetingService = ZoomSDK.getInstance().inMeetingService
val listener = object : InMeetingServiceListener {
    ...

    override fun onMeetingUserJoin(userList: MutableList<Long>?) {
        userList?.forEach { userId ->
            val user = inMeetingService.getUserInfoById(userId)
        }
    }

    ...
}

meetingService.addListener(listener)
```

```java
InMeetingService inMeetingService = ZoomSDK.getInstance().getInMeetingService();
InMeetingServiceListener listener = new InMeetingServiceListener() {
    ...

    @Override
    public void onMeetingUserJoin(@Nullable List<Long> userList) {
        for (long userId : userList) {
            InMeetingUserInfo user = inMeetingService.getUserInfoById(userId);
        }
    }

    ...
};

meetingService.addListener(listener);
```

## Access a specific user's data

Use the `InMeetingUserInfo` to access data specific to that user.

Get the customer key.

```kotlin
user.customerKey
```

```java
user.getCustomerKey();
```

Get the user's avatar picture path, if available.

```kotlin
user.avatarPath
```

```java
user.getAvatarPath();
```

Get the user ID.

```kotlin
user.userId
```

```java
user.getUserId();
```

Get the username.

```kotlin
user.userName
```

```java
user.getUserName();
```

Get the persistent ID.

```kotlin
user.persistentId
```

```java
user.getPersistentId();
```

Each user in a meeting or webinar has a role assigned to one of these values.

-   `InMeetingUserInfo.InMeetingUserRole.USERROLE_NONE` - No role has been assigned.
-   `InMeetingUserInfo.InMeetingUserRole.USERROLE_HOST` - The host of the current meeting or webinar.
-   `InMeetingUserInfo.InMeetingUserRole.USERROLE_COHOST` - A co-host of the current meeting or webinar.
-   `InMeetingUserInfo.InMeetingUserRole.USERROLE_PANELIST` - A panelist in the current meeting or webinar.
-   `InMeetingUserInfo.InMeetingUserRole.USERROLE_BREAKOUTROOM_MODERATOR` - The breakout room moderator.
-   `InMeetingUserInfo.InMeetingUserRole.USERROLE_ATTENDEE` - An attendee of the current meeting or webinar.

Get the user's role in the current meeting.

```kotlin
user.inMeetingUserRole
```

```java
user.getInMeetingUserRole();
```

Determine whether a given user is the current user.

```kotlin
user.isMySelf
```

```java
user.isMySelf();
```

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