code: func FindInMap(mapName, topLevelKey, secondLevelKey interface{}) string {
  	return encode(fmt.Sprintf(`{ "Fn::FindInMap" : [ "%v", "%v", "%v" ] }`, mapName, topLevelKey, secondLevelKey))
  }
docs: // FindInMap returns the value corresponding to keys in a two-level map that is declared in the Mappings section.