spring data mongodb "id" field mapping -

i have document array field with

"chapters": [   { "id" : "14031871223912313", ...}   ...   ] 

i query return id's spring data's mongotemplate using following:

class chapter {  private string id;  public string getid() {         return id;     }  } 

this way id not populated. have tried using different mapping options @field described here http://docs.spring.io/spring-data/mongodb/docs/current/reference/html/#mapping.conventions.id-field

what doing wrong? know can mongo java driver, thought should work.

thanks in advance help.

found solution. populated via:

  @field("id")   private string chaperid