The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /jsv/oneway/ItemRelationPostRequest HTTP/1.1 
Host: gc-test.splitvision.nl 
Content-Type: text/jsv
Content-Length: length
{
	RelationId: 0,
	FromItemId: 0,
	ToItemId: 0,
	IsFavoriteTaskRelation: False,
	CreateProperties: False,
	RelationFromItemChecklist: False,
	TenantId: String,
	ModifiedBy: 0,
	OrgId: 0,
	Culture: String
}