Para procurar nos artefatos, transmita o sinalizador SearchQuery.SEARCH_WITHIN_ARTIFACTS_FLAG para o método SearchQuery.setSearchModes(int). Os artefatos que correspondem à consulta serão retornados pelo método AssetSearchResult.getMatchingArtifacts().
RAMAssetQueryBuilder query = (RAMAssetQueryBuilder)session.createAssetQuery("text that would be in my artifact");
query.setSearchModes(SearchQuery.SEARCH_WITHIN_ARTIFACTS_FLAG);
SearchResult result = session.getAssets(query);
AssetSearchResult[] results = result.getAssetSearchResults();
asset = (RAMAsset)results[0].getAsset();
ArtifactSearchResult[] artifactResults = results[0].getMatchingArtifacts();
RAMArtifact artifact = (RAMArtifact)artifactResults[0].getArtifact();