This question is inspired by this Post. Can anyone enlighten me more about "object prepend" mentioned in this post.
So in an example URL like
a0B is the object Prepend. I am not clear what is it. Does it change from one org to another (like Ids). If yes, then i need to find a way to get it dynamically in the custom button code.
Post mentions that object prepend can be obtained dynamically, using
but it is not the solution (I get "Schema is undefined").