The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /json/oneway/ItemRelationListRequest HTTP/1.1 
Host: gc-test.splitvision.nl 
Content-Type: application/json
Content-Length: length
{"ItemId":0,"ToMetaItemId":0,"MetaItemIds":"String","Culture":"String","IncludeChildRelations":false,"IncludeEnglishCulture":false,"TenantId":"String","ModifiedBy":0,"OrgId":0}