Issue with download handling

Happy new year All
I have an issue with my downloads
the APIs work well in firefox browser where i have installed internet download manager extention
abut the same APIs dont work in other browsers ie chrome, Firefox with out idm extension, brave
how do I fix this??
here is the API structure

Have a look at

https://docs.wappler.io/t/file-downloads-with-server-connect/12780#Download-File-Server-Action