How to use the ringcentral-widgets/assets/DynamicsFont/DynamicsFont.scss.arrow function in ringcentral-widgets

areaCode={this.props.areaCode}
            countryCode={this.props.countryCode}
            phoneNumber={phoneNumber}
            groupNumbers={groupNumbers}
            showType={false}
            currentLocale={this.props.currentLocale}
            enableContactFallback={this.props.enableContactFallback}
            showPlaceholder={this.props.showContactDisplayPlaceholder}
            sourceIcons={this.props.sourceIcons}
            showGroupNumberName={this.props.showGroupNumberName}
          />
          <a> this.props.goBack()}
            className={styles.backButton}
          &gt;
            <span>
          </span></a>
          {logButton}
        
        {conversationBody}
        
      
    );
  }
}