Hi Renato Lopes,
We have logged a feature request for this requirement. However, we do not have any immediate plans to implement this feature.
We typically have a release cycle interval of at least three months. During the planning stage of each release cycle, we review all open feature requests and finalize the features for implementation based on various parameters, including product vision, technological feasibility, and customer interest. We will notify you once this feature is implemented.
You can track the status of the feature using the link below:
https://www.syncfusion.com/feedback/66784/add-support-for-a-dropdown-menu-in-the-customtoolbaritemmodel
Regards,
Mohammed Affan C