name of the property to look up
pointer to a #GObject that takes the real object to set property on
pointer to take the #GParamSpec describing the property
%TRUE if @target and @pspec could be found. %FALSE otherwise. In that case the values for @pspec and @target are not modified. Unref @target after usage. For plain GObjects @target is the same as @object.
Looks up which object and #GParamSpec would be effected by the given @name.
MT safe.