gtr_combinations list.get_resources() so one can return a single object within the chosen resource using its ID (eg, return a single organisation, a single project, etc).get_links() to return details of entities linked to the one(s) returned. This can be used ‘downstream’ to pick up other details.get_resources()).query_resource_combination()), and a list of resource combinations (gtr_combinations).get_configs()), and generic function to run queries against each resource(query_resource_all().