Forge

This asset will cover all the use cases of dropdown search including cascading server-side dropdown, Adding one item to the database if not found in the dropdown search, adding optimized search on the server side, and many more scenarios.

By utilizing the Server Side Dropdown with Lazy Loading custom Forge component, OutSystems developers can enhance their applications' dropdown functionality, delivering an improved user experience with optimized performance.

This is a Dropdown Tag Widget, So I Have Created a sample in case you have to create a Cascading Dropdown with tags and you have to select the number of tags on the parent dropdown and you want to show the related result on the second dropdown.

Provide a block to handle the multiple selection dropdown tags as a single comma separated string.
The selected value Ids will compose a single string to be stored in an entity text attribute.