Set Up an Event Handler for the Interface BX24.placement.bindEvent

If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the MCP server so that the assistant can utilize the official REST documentation.

Scope: placement

The method BX24.placement.bindEvent sets an event handler for the interface. The event must be registered on the calling side; otherwise, nothing will happen.

Parameters

Required parameters are marked with *

Name
type

Description

event*
string

The name of the event to which the handler subscribes

callback*
callable

The callback function.

The callback handler may or may not receive data depending on the event it subscribes to.

Code Example

How to Use Examples in Documentation

BX24.ready(function () {
            BX24.init(function () {
                BX24.placement.bindEvent('BackgroundCallCard::initialized', event => {
                    // some code
                });
        
                BX24.placement.bindEvent('CallCard::CallStateChanged', (callState) => {
                    console.log(callState);
                });
            });
        });

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