Fluent NHibernate: How to Map List<String> -

i know there lots of questions how map list of strings using fluent nhibernate. tried options got. still no luck.

my situation follows.

class baseclass {     public string name {get;set;} }  class firstchild : baseclass {     public string parameter{get;set;}     public ilist<string> otherparameter {get;set;} } 

the mapping file using follows:

public class baseclassmap: classmap<baseclass> {     public baseclassmap()     {         table("baseclass");                   map(x => x.name);         discriminatesubclassesoncolumn<string>("class");     } }  public class firstchildmap : subclassmap<firstchild> {     public firstchildmap ()     {         map(x => x.parameter);         hasmany(x => x.otherparameter)             .element("otherparameter ")             .table("otherparametertable").cascade.alldeleteorphan();     } } 

after when try save object of type firstchild, saves value of name , parameter nothing goes otherparametertable.

can tell me going wrong?