diff --git a/kraken-app/kraken-app-hub/src/test/resources/mock/api-targets-mappers/api-target-mapper.order.uni.add.yaml b/kraken-app/kraken-app-hub/src/test/resources/mock/api-targets-mappers/api-target-mapper.order.uni.add.yaml
index 1015ba6b..b5882caf 100644
--- a/kraken-app/kraken-app-hub/src/test/resources/mock/api-targets-mappers/api-target-mapper.order.uni.add.yaml
+++ b/kraken-app/kraken-app-hub/src/test/resources/mock/api-targets-mappers/api-target-mapper.order.uni.add.yaml
@@ -98,6 +98,10 @@ spec:
           - name: mapper.order.uni.add.bandwidth
             title: "Bandwidth of the UNI"
             source: "@{{productOrderItem[0].product.productConfiguration.bandwidth}}"
+            sourceType: discrete
+            sourceValues:
+              - 1000
+              - 10000
             target: "@{{speed}}"
             sourceLocation: BODY
             targetLocation: BODY
diff --git a/kraken-java-sdk/kraken-java-sdk-core/src/main/java/com/consoleconnect/kraken/operator/core/enums/MappingTypeEnum.java b/kraken-java-sdk/kraken-java-sdk-core/src/main/java/com/consoleconnect/kraken/operator/core/enums/MappingTypeEnum.java
new file mode 100644
index 00000000..0b9c6788
--- /dev/null
+++ b/kraken-java-sdk/kraken-java-sdk-core/src/main/java/com/consoleconnect/kraken/operator/core/enums/MappingTypeEnum.java
@@ -0,0 +1,12 @@
+package com.consoleconnect.kraken.operator.core.enums;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public enum MappingTypeEnum {
+  ENUM("enum"),
+  DISCRETE("discrete");
+  private final String name;
+}
diff --git a/kraken-java-sdk/kraken-java-sdk-gateway/src/main/java/com/consoleconnect/kraken/operator/gateway/runner/MappingMatrixCheckerActionRunner.java b/kraken-java-sdk/kraken-java-sdk-gateway/src/main/java/com/consoleconnect/kraken/operator/gateway/runner/MappingMatrixCheckerActionRunner.java
index 26e6fdba..420a47f8 100644
--- a/kraken-java-sdk/kraken-java-sdk-gateway/src/main/java/com/consoleconnect/kraken/operator/gateway/runner/MappingMatrixCheckerActionRunner.java
+++ b/kraken-java-sdk/kraken-java-sdk-gateway/src/main/java/com/consoleconnect/kraken/operator/gateway/runner/MappingMatrixCheckerActionRunner.java
@@ -7,6 +7,7 @@
 import com.consoleconnect.kraken.operator.core.dto.UnifiedAssetDto;
 import com.consoleconnect.kraken.operator.core.enums.ActionTypeEnum;
 import com.consoleconnect.kraken.operator.core.enums.ExpectTypeEnum;
+import com.consoleconnect.kraken.operator.core.enums.MappingTypeEnum;
 import com.consoleconnect.kraken.operator.core.enums.ParamLocationEnum;
 import com.consoleconnect.kraken.operator.core.exception.KrakenException;
 import com.consoleconnect.kraken.operator.core.model.AppProperty;
@@ -41,7 +42,6 @@ public class MappingMatrixCheckerActionRunner extends AbstractActionRunner {
   public static final String MESSAGE_ALERT = "api use case is not supported %s";
   public static final String CHECK_NAME_ENABLED = "enabled";
   public static final String PARAM_NAME = "param";
-  public static final String ENUM = "enum";
   public static final String NOT_FOUND = "notFound";
   public static final String COLON = ":";
   private final UnifiedAssetService unifiedAssetService;
@@ -217,7 +217,8 @@ public void checkRequestConstraints(String targetKey, Map<String, Object> inputs
           || ParamLocationEnum.HYBRID.name().equals(mapper.getTargetLocation())) {
         continue;
       }
-      if (Objects.equals(mapper.getSourceType(), ENUM)) {
+      if (MappingTypeEnum.ENUM.getName().equals(mapper.getSourceType())
+          || MappingTypeEnum.DISCRETE.getName().equals(mapper.getSourceType())) {
         checkEnumValue(mapper.getSource(), mapper.getTarget(), inputs, mapper.getSourceValues());
       } else if (mapper.getTarget() != null && !mapper.getTarget().contains("@{{")) {
         checkConstantValue(mapper.getSource(), mapper.getTarget(), inputs);