@HrishikeshKa   Thanks for your entire solution. This clearly is the solution to my requirement. In the source code you mentioned its and EXTJS based dialog. Is it possible to achieve the same using Coral UI Pathfield ?  

@HrishikeshKa Do you have any pointers for custom component ? As I can see in the tree the change thumbnail is coming as part of node structure. I can overlay it in apps and then create another similar button or override the default behaviour of the current button in JS. But how do we show the pathf...

@gkalyanI have a use case where the folders and thumbnails are already there and we need to migrate it to AEM. AEM OOTB gives a behavior of merging 3 assets and create one thumbnail. This need to be re written using the custom thumbnail which is already written and then using the the AEM pathfield f...

I have a requirement to select the thumbnail of folder from AEM /content/dam instead of local upload. I understand it currently is a file upload which stores the folder thumbnail in binary format under /folderThumbnail in the folder. I want to make the same functionality work by selecting the image ...