Documentation

​
​

Development

User Acquisition

Monetization

Industry

Vivox Core SDK

Vivox Core SDK

Vivox
​
​
Vivox Core SDK
  • Overview
  • Before you begin
  • Get started
  • Release notes
  • Developer Guide
  • Reference
    • Access Token Developer Guide
    • Server to Server Web API Reference Guide
    • Core API Reference Manual
      • Modules
      • Data Structures
        • vx_account
        • vx_auto_accept_rule
        • vx_before_recv_audio_mixed_participant_data_t
        • vx_block_rule
        • vx_buddy
        • vx_call_stats
        • vx_channel
        • vx_connectivity_test_result
        • vx_device
        • vx_evt_account_archive_message
        • vx_evt_account_archive_query_end
        • vx_evt_account_chat_history_message
        • vx_evt_account_chat_history_query_end
        • vx_evt_account_delete_message
        • vx_evt_account_edit_message
        • vx_evt_account_login_state_change
        • vx_evt_account_send_message_failed
        • vx_evt_audio_device_hot_swap
        • vx_evt_aux_audio_properties
        • vx_evt_base
        • vx_evt_buddy_and_group_list_changed
        • vx_evt_buddy_changed
        • vx_evt_buddy_group_changed
        • vx_evt_buddy_presence
        • vx_evt_connection_state_changed
        • vx_evt_idle_state_changed
        • vx_evt_keyboard_mouse
        • vx_evt_media_completion
        • vx_evt_media_stream_updated
        • vx_evt_message
        • vx_evt_network_message
        • vx_evt_participant_added
        • vx_evt_participant_removed
        • vx_evt_participant_updated
        • vx_evt_publication_state_changed
        • vx_evt_server_app_data
        • vx_evt_session_added
        • vx_evt_session_archive_message
        • vx_evt_session_archive_query_end
        • vx_evt_session_chat_history_message
        • vx_evt_session_chat_history_query_end
        • vx_evt_session_delete_message
        • vx_evt_session_edit_message
        • vx_evt_session_notification
        • vx_evt_session_removed
        • vx_evt_session_updated
        • vx_evt_sessiongroup_added
        • vx_evt_sessiongroup_playback_frame_played
        • vx_evt_sessiongroup_removed
        • vx_evt_sessiongroup_updated
        • vx_evt_stt_failed
        • vx_evt_subscription
        • vx_evt_text_stream_updated
        • vx_evt_transcribed_message
        • vx_evt_tts_injection_ended
        • vx_evt_tts_injection_failed
        • vx_evt_tts_injection_started
        • vx_evt_user_app_data
        • vx_evt_user_to_user_message
        • vx_evt_voice_service_connection_state_changed
        • vx_generic_credentials
        • vx_group
        • vx_message_base
        • vx_name_value_pair
        • vx_participant
        • vx_req_account_anonymous_login
        • vx_req_account_archive_query
        • vx_req_account_authtoken_login
        • vx_req_account_buddy_delete
        • vx_req_account_buddy_set
        • vx_req_account_channel_add_acl
        • vx_req_account_channel_change_owner
        • vx_req_account_channel_get_acl
        • vx_req_account_channel_remove_acl
        • vx_req_account_chat_history_get_last_read
        • vx_req_account_chat_history_query
        • vx_req_account_control_communications
        • vx_req_account_create_auto_accept_rule
        • vx_req_account_create_block_rule
        • vx_req_account_delete_auto_accept_rule
        • vx_req_account_delete_block_rule
        • vx_req_account_delete_message Struct Reference
        • vx_req_account_edit_message Struct Reference
        • vx_req_account_get_account
        • vx_req_account_get_session_fonts
        • vx_req_account_get_template_fonts
        • vx_req_account_list_auto_accept_rules
        • vx_req_account_list_block_rules
        • vx_req_account_list_buddies_and_groups
        • vx_req_account_login
        • vx_req_account_logout
        • vx_req_account_post_crash_dump
        • vx_req_account_send_message
        • vx_req_account_send_sms
        • vx_req_account_send_subscription_reply
        • vx_req_account_send_user_app_data
        • vx_req_account_set_login_properties
        • vx_req_account_set_presence
        • vx_req_account_update_account
        • vx_req_account_web_call
        • vx_req_aux_capture_audio_start
        • vx_req_aux_capture_audio_stop
        • vx_req_aux_connectivity_info
        • vx_req_aux_create_account
        • vx_req_aux_deactivate_account
        • vx_req_aux_diagnostic_state_dump
        • vx_req_aux_get_capture_devices
        • vx_req_aux_get_derumbler_properties
        • vx_req_aux_get_mic_level
        • vx_req_aux_get_render_devices
        • vx_req_aux_get_speaker_level
        • vx_req_aux_get_vad_properties
        • vx_req_aux_global_monitor_keyboard_mouse
        • vx_req_aux_notify_application_state_change
        • vx_req_aux_play_audio_buffer
        • vx_req_aux_reactivate_account
        • vx_req_aux_render_audio_modify
        • vx_req_aux_render_audio_start
        • vx_req_aux_render_audio_stop
        • vx_req_aux_reset_password
        • vx_req_aux_set_capture_device
        • vx_req_aux_set_derumbler_properties
        • vx_req_aux_set_idle_timeout
        • vx_req_aux_set_mic_level
        • vx_req_aux_set_render_device
        • vx_req_aux_set_speaker_level
        • vx_req_aux_set_vad_properties
        • vx_req_aux_start_buffer_capture
        • vx_req_base
        • vx_req_channel_ban_user
        • vx_req_channel_get_banned_users
        • vx_req_channel_kick_user
        • vx_req_channel_mute_all_users
        • vx_req_channel_mute_user
        • vx_req_channel_set_lock_mode
        • vx_req_connector_create
        • vx_req_connector_get_local_audio_info
        • vx_req_connector_initiate_shutdown
        • vx_req_connector_mute_local_mic
        • vx_req_connector_mute_local_speaker
        • vx_req_connector_set_local_mic_volume
        • vx_req_connector_set_local_speaker_volume
        • vx_req_session_archive_query
        • vx_req_session_channel_invite_user
        • vx_req_session_chat_history_query
        • vx_req_session_create
        • vx_req_session_delete_message
        • vx_req_session_edit_message
        • vx_req_session_media_connect
        • vx_req_session_media_disconnect
        • vx_req_session_mute_local_speaker
        • vx_req_session_send_dtmf
        • vx_req_session_send_message
        • vx_req_session_send_notification
        • vx_req_session_set_3d_position
        • vx_req_session_set_local_render_volume
        • vx_req_session_set_local_speaker_volume
        • vx_req_session_set_participant_mute_for_me
        • vx_req_session_set_participant_volume_for_me
        • vx_req_session_set_voice_font
        • vx_req_session_terminate
        • vx_req_session_text_connect
        • vx_req_session_text_disconnect
        • vx_req_session_transcription_control
        • vx_req_sessiongroup_add_session
        • vx_req_sessiongroup_control_audio_injection
        • vx_req_sessiongroup_create
        • vx_req_sessiongroup_get_stats
        • vx_req_sessiongroup_remove_session
        • vx_req_sessiongroup_reset_focus
        • vx_req_sessiongroup_set_focus
        • vx_req_sessiongroup_set_session_3d_position
        • vx_req_sessiongroup_set_tx_all_sessions
        • vx_req_sessiongroup_set_tx_no_session
        • vx_req_sessiongroup_set_tx_session
        • vx_req_sessiongroup_terminate
        • vx_req_sessiongroup_unset_focus
        • vx_resp_account_anonymous_login
        • vx_resp_account_archive_query
        • vx_resp_account_authtoken_login
        • vx_resp_account_buddy_delete
        • vx_resp_account_buddy_set
        • vx_resp_account_channel_add_acl
        • vx_resp_account_channel_change_owner
        • vx_resp_account_chat_history_get_last_read
        • vx_resp_account_channel_get_acl
        • vx_resp_account_channel_remove_acl
        • vx_resp_account_chat_history_query
        • vx_resp_account_control_communications
        • vx_resp_account_create_auto_accept_rule
        • vx_resp_account_create_block_rule
        • vx_resp_account_delete_auto_accept_rule
        • vx_resp_account_delete_block_rule
        • vx_resp_account_get_account
        • vx_resp_account_get_session_fonts
        • vx_resp_account_get_template_fonts
        • vx_resp_account_list_auto_accept_rules
        • vx_resp_account_list_block_rules
        • vx_resp_account_list_buddies_and_groups
        • vx_resp_account_login
        • vx_resp_account_logout
        • vx_resp_account_post_crash_dump
        • vx_resp_account_send_message
        • vx_resp_account_send_sms
        • vx_resp_account_send_subscription_reply
        • vx_resp_account_send_user_app_data
        • vx_resp_account_set_login_properties
        • vx_resp_account_set_presence
        • vx_resp_account_update_account
        • vx_resp_account_web_call
        • vx_resp_aux_capture_audio_start
        • vx_resp_aux_capture_audio_stop
        • vx_resp_aux_connectivity_info
        • vx_resp_aux_create_account
        • vx_resp_aux_deactivate_account
        • vx_resp_aux_diagnostic_state_dump
        • vx_resp_aux_get_capture_devices
        • vx_resp_aux_get_derumbler_properties
        • vx_resp_aux_get_mic_level
        • vx_resp_aux_get_render_devices
        • vx_resp_aux_get_speaker_level
        • vx_resp_aux_get_vad_properties
        • vx_resp_aux_global_monitor_keyboard_mouse
        • vx_resp_aux_notify_application_state_change
        • vx_resp_aux_play_audio_buffer
        • vx_resp_aux_reactivate_account
        • vx_resp_aux_render_audio_modify
        • vx_resp_aux_render_audio_start
        • vx_resp_aux_render_audio_stop
        • vx_resp_aux_reset_password
        • vx_resp_aux_set_capture_device
        • vx_resp_aux_set_derumbler_properties
        • vx_resp_aux_set_idle_timeout
        • vx_resp_aux_set_mic_level
        • vx_resp_aux_set_render_device
        • vx_resp_aux_set_speaker_level
        • vx_resp_aux_set_vad_properties
        • vx_resp_aux_start_buffer_capture
        • vx_resp_base
        • vx_resp_channel_ban_user
        • vx_resp_channel_get_banned_users
        • vx_resp_channel_kick_user
        • vx_resp_channel_mute_all_users
        • vx_resp_channel_mute_user
        • vx_resp_channel_set_lock_mode
        • vx_resp_connector_create
        • vx_resp_connector_get_local_audio_info
        • vx_resp_connector_initiate_shutdown
        • vx_resp_connector_mute_local_mic
        • vx_resp_connector_mute_local_speaker
        • vx_resp_connector_set_local_mic_volume
        • vx_resp_connector_set_local_speaker_volume
        • vx_resp_session_archive_query
        • vx_resp_session_channel_invite_user
        • vx_resp_session_chat_history_query
        • vx_resp_session_create
        • vx_resp_session_media_connect
        • vx_resp_session_media_disconnect
        • vx_resp_session_mute_local_speaker
        • vx_resp_session_send_dtmf
        • vx_resp_session_send_message
        • vx_resp_session_send_notification
        • vx_resp_session_set_3d_position
        • vx_resp_session_set_local_render_volume
        • vx_resp_session_set_local_speaker_volume
        • vx_resp_session_set_participant_mute_for_me
        • vx_resp_session_set_participant_volume_for_me
        • vx_resp_session_set_voice_font
        • vx_resp_session_terminate
        • vx_resp_session_text_connect
        • vx_resp_session_text_disconnect
        • vx_resp_session_transcription_control
        • vx_resp_sessiongroup_add_session
        • vx_resp_sessiongroup_control_audio_injection
        • vx_resp_sessiongroup_create
        • vx_resp_sessiongroup_get_stats
        • vx_resp_sessiongroup_remove_session
        • vx_resp_sessiongroup_reset_focus
        • vx_resp_sessiongroup_set_focus
        • vx_resp_sessiongroup_set_session_3d_position
        • vx_resp_sessiongroup_set_tx_all_sessions
        • vx_resp_sessiongroup_set_tx_no_session
        • vx_resp_sessiongroup_set_tx_session
        • vx_resp_sessiongroup_terminate
        • vx_resp_sessiongroup_unset_focus
        • vx_sdk_config
        • vx_stat_sample
        • vx_stat_thread
        • vx_state_account
        • vx_state_buddy
        • vx_state_buddy_contact
        • vx_state_buddy_group
        • vx_state_connector
        • vx_state_participant
        • vx_state_session
        • vx_state_sessiongroup
        • vx_system_stats
        • vx_tts_utterance
        • vx_tts_voice
        • vx_user_channel
        • vx_voice_font
        • vx_vxd
        • vxa_capture_device_stats_t
        • vxa_render_device_stats_t
      • Deprecated List
    • Third-party license information
  • Privacy overview
  1. Vivox Core SDK documentation

vx_evt_buddy_group_changed

Learn about buddy presence change notifications.
Read time 1 minute
Last updated 8 months ago

Presented when a buddy group is set (added or updated) or removed.
#include <VxcEvents.h>

Public Attributes

Name

vx_evt_base_tbase
The common properties for all events.
VX_HANDLEaccount_handle
The handle returned from a successful login request.
vx_change_type_tchange_type
Indicates the change type (set or delete).
intgroup_id
The ID for the group.
char *group_name
The display name for the group.
char *group_data
Application-specific group data.

Public Attributes Documentation

variable base

vx_evt_base_t base;
The common properties for all events.

variable account_handle

VX_HANDLE account_handle;
The handle returned from a successful login request.

variable change_type

vx_change_type_t change_type;
Indicates the change type (set or delete).

variable group_id

int group_id;
The ID for the group.

variable group_name

char * group_name;
The display name for the group.

variable group_data

char * group_data;
Application-specific group data.

Copyright © 2026 Unity Technologies
LegalPrivacy PolicyCookiesDocumentation Terms of UseDo Not Sell or Share My Personal InformationYour Privacy Choices (Cookie Settings)

"Unity", Unity logos, and other Unity trademarks are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S and elsewhere (more info here). Other names or brands are trademarks of their respective owners.

Some pages are machine-translated for convenience, and may contain inaccuracies. In the event of conflicting information, the English version is authoritative.

  • On this page
    • Public Attributes

    • Public Attributes Documentation

      • variable base

      • variable account_handle

      • variable change_type

      • variable group_id

      • variable group_name

      • variable group_data


Report a problem with this page