How to use the instabug-reactnative.showIntroMessage function in instabug-reactnative

_pressRow(rowID: number) {
    if (rowID == 0) {
      Instabug.invoke();
    } else if (rowID == 1) {
      this._showInvocationModeActionSheet();
    } else if (rowID == 2) {
      this._showInvocationEventActionSheet();
    } else if (rowID == 3) {
      Instabug.showIntroMessage();
    } else if (rowID == 4) {
      Instabug.getUnreadMessagesCount(function (number) {
          Alert.alert(number.toString());
      });
    } else if (rowID == 5) {
      this._showLocaleActionSheet();
    } else if (rowID == 6) {
      this._showColorThemeActionSheet();
    } else if (rowID == 7) {
      this._showPrimaryColorActionSheet();
    } else if (rowID == 8) {
      this._showSurveys();
    }
  }

showIntroMessage() {
    Instabug.showIntroMessage();
  }