To load custom values into user defined columns under presentation folder in OBIEE

Summary

Need to load list of user defined values into custom column under presentation folder in OBIEE to make use for some calculations purpose

Content

Is it possible to load list of user defined values into custom column under presentation folder in OBIEE to make use for some calculations purpose? Like loading a file into repository and making some linkage's between the already available presentation column's and custom user created column. Is it possible to do ? Kindly let me know if anyone aware of it.