事前チャット API を使用した外部 Web サイトのサービス担当者への顧客情報を渡す

<script type='text/javascript'>
    function initEmbeddedMessaging() {
        try {
            embeddedservice_bootstrap.settings.language = 'en_US'; // For example, enter 'en' or 'en-US'

            embeddedservice_bootstrap.init(
                '00DDn00000DuiyZ',
                'Cookbook_MIAW_Deployment',
                'https://csg-gr-cdo-summer23.my.site.com/ESWCookbookMIAWDeployme1710815189835',
                {
                    scrt2URL: 'https://csg-gr-cdo-summer23.my.salesforce-scrt.com'
                }
            );
        } catch (err) {
            console.error('Error loading Embedded Messaging: ', err);
        }
    };
    
    //Passing Web Context to Prechat - BEGIN
    var sFirstName = "John";
    var sLastName = "Doe";
    var sSubject = "Test Subject";
    var sCustomerID = "12345678";
    var sShoppingCartValue = "1000";
        
    window.addEventListener("onEmbeddedMessagingReady", e => {
        //log event
        console.log("onEmbeddedMessagingReady event triggered");
        
        //set visible prechat field
        embeddedservice_bootstrap.prechatAPI.setVisiblePrechatFields({
            // List the pre-chat field names with the value and whether
            // it's editable in the pre-chat form.
            "_firstName": {
              "value": sFirstName,
              "isEditableByEndUser": false
            },
            "_lastName": {
              "value": sLastName,
              "isEditableByEndUser": false
            },
            "_subject": {
              "value": "test subject",
              "isEditableByEndUser": true
            }
        });
      
        //Set invisible prechat field
        embeddedservice_bootstrap.prechatAPI.setHiddenPrechatFields({
            "Shopping_Cart_Value" : sShoppingCartValue,
            "Customer_ID" : sCustomerID
        });
    });
    //Passing Web Context to Prechat - END
    
</script>