In the example https://bryntum.com/products/gantt/examples/fieldfilters/ , while filtering the records on name using the is one of operator, the selection box(the box with dropdown) came with the total names that are on the board. How that data came into that dropdown .Please see the attachment.
I want to achieve the same in my case. Please help..
Please find my code below. I'm still unable to achieve the functionality.Is there anything wrong? We are not allowed to share the complete code, so I was uploading sample of it. But my entire code is in the same format. Please help with this.