I wanted to a add a button in the music player widget with the help of which i will be able to like a song .i.e. send the song to my favourites, as it is available on the inbuilt player of the Spotify app
At this moment you don't have a function to perform this action, maybe using Tasker, you can make this.
If you want, you can post your idea in the Ideas section here in kustom.rocks