Getting keywords inside a category is similar to getting components inside a folder. Therefore, you will need to call a GetListXmlcategory as a topic.
var filter = new OrganizationalItemItemsFilterData();
var category = "tcm:1-2-512";
var keywords = client.GetListXml(category, filter);
foreach (var keywordElement in keywords.Descendants())
{
...
}
Some background . Core Service is a service-oriented API, so none of the objects ...Datahave methods for loading additional information. Instead, all data access goes through CoreServiceClient, which then returns data objects that contain ... data.
, Java, DAO/DTO, : CoreServiceClient - DAO, ...Data - DTO.