I need to implement the button in assets toolbar and button(URL ACTION) will be available only when i open the pdf documents then only its become visible and after hitting the button I am able to see pop-up box and inside pop-up box i will generate the URL for the pdf based on selection pdf so that author can able to copy the specific document URL
BELOW reference we able to see bottom URL button, but my case i need to get the in the toolbar and how can i achieve this and what properties i need to give for that button component and how can i implement this?