diff --git a/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/IndexNotificationsJob.java b/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/IndexNotificationsJob.java
index 5dc3315c47..fb2e26ba2a 100644
--- a/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/IndexNotificationsJob.java
+++ b/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/IndexNotificationsJob.java
@@ -92,6 +92,8 @@ public class IndexNotificationsJob {
 		if (subscriptions.size() > 0) {
 			final Map<String, Map<String, List<ConditionParams>>> conditionsMap = prepareConditionsMap(subscriptions);
 
+			log.info("ConditionsMap: " + new ObjectMapper().writeValueAsString(conditionsMap));
+
 			final Encoder<NotificationGroup> ngEncoder = Encoders.bean(NotificationGroup.class);
 			final Encoder<Notification> nEncoder = Encoders.bean(Notification.class);
 			final Dataset<Notification> notifications = ClusterUtils
diff --git a/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/samples/SimpleVariableJobTest.java b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/samples/SimpleVariableJobTest.java
new file mode 100644
index 0000000000..a6d1c89d35
--- /dev/null
+++ b/dhp-workflows/dhp-broker-events/src/test/java/eu/dnetlib/dhp/broker/oa/samples/SimpleVariableJobTest.java
@@ -0,0 +1,132 @@
+
+package eu.dnetlib.dhp.broker.oa.samples;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SparkSession;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import eu.dnetlib.dhp.broker.model.ConditionParams;
+import eu.dnetlib.dhp.broker.model.MapCondition;
+import eu.dnetlib.dhp.broker.oa.util.SubscriptionUtils;
+
+@Disabled
+public class SimpleVariableJobTest {
+
+	private static final Logger log = LoggerFactory.getLogger(SimpleVariableJobTest.class);
+
+	private static Path workingDir;
+
+	private static SparkSession spark;
+
+	private final static List<String> inputList = new ArrayList<>();
+
+	private static final Map<String, Map<String, List<ConditionParams>>> staticMap = new HashMap<>();
+
+	@BeforeAll
+	public static void beforeAll() throws IOException {
+
+		workingDir = Files.createTempDirectory(SimpleVariableJobTest.class.getSimpleName());
+		log.info("using work dir {}", workingDir);
+
+		final SparkConf conf = new SparkConf();
+		conf.setAppName(SimpleVariableJobTest.class.getSimpleName());
+
+		conf.setMaster("local[*]");
+		conf.set("spark.driver.host", "localhost");
+		conf.set("hive.metastore.local", "true");
+		conf.set("spark.ui.enabled", "false");
+		// conf.set("spark.sql.warehouse.dir", workingDir.toString());
+		// conf.set("hive.metastore.warehouse.dir", workingDir.resolve("warehouse").toString());
+
+		spark = SparkSession
+			.builder()
+			.appName(SimpleVariableJobTest.class.getSimpleName())
+			.config(conf)
+			.getOrCreate();
+
+		for (int i = 0; i < 1_000_000; i++) {
+			inputList.add("record " + i);
+		}
+	}
+
+	@AfterAll
+	public static void afterAll() throws IOException {
+		FileUtils.deleteDirectory(workingDir.toFile());
+		spark.stop();
+	}
+
+	@Test
+	public void testSimpleVariableJob() throws Exception {
+		final Map<String, Map<String, List<ConditionParams>>> map = fillMap();
+
+		final long n = spark
+			.createDataset(inputList, Encoders.STRING())
+			.filter(s -> filter(map.get(s)))
+			.map((MapFunction<String, String>) s -> s.toLowerCase(), Encoders.STRING())
+			.count();
+
+		System.out.println(n);
+	}
+
+	@Test
+	public void testSimpleVariableJob_static() throws Exception {
+
+		staticMap.putAll(fillMap());
+
+		final long n = spark
+			.createDataset(inputList, Encoders.STRING())
+			.filter(s -> filter(staticMap.get(s)))
+			.map((MapFunction<String, String>) s -> s.toLowerCase(), Encoders.STRING())
+			.count();
+
+		System.out.println(n);
+	}
+
+	private static Map<String, Map<String, List<ConditionParams>>> fillMap()
+		throws JsonParseException, JsonMappingException, IOException {
+		final String s = "[{\"field\":\"targetDatasourceName\",\"fieldType\":\"STRING\",\"operator\":\"EXACT\",\"listParams\":[{\"value\":\"reposiTUm\"}]},{\"field\":\"trust\",\"fieldType\":\"FLOAT\",\"operator\":\"RANGE\",\"listParams\":[{\"value\":\"0\",\"otherValue\":\"1\"}]}]";
+
+		final ObjectMapper mapper = new ObjectMapper();
+		final List<MapCondition> list = mapper
+			.readValue(s, mapper.getTypeFactory().constructCollectionType(List.class, MapCondition.class));
+		final Map<String, List<ConditionParams>> conditions = list
+			.stream()
+			.filter(mc -> !mc.getListParams().isEmpty())
+			.collect(Collectors.toMap(MapCondition::getField, MapCondition::getListParams));
+
+		final Map<String, Map<String, List<ConditionParams>>> map = new HashMap<>();
+		inputList.forEach(i -> map.put(i, conditions));
+		return map;
+	}
+
+	private static boolean filter(final Map<String, List<ConditionParams>> conditions) {
+		if (conditions.containsKey("targetDatasourceName")
+			&& !SubscriptionUtils
+				.verifyExact("reposiTUm", conditions.get("targetDatasourceName").get(0).getValue())) {
+			return false;
+		}
+		return true;
+	}
+
+}