diff --git a/common/src/main/java/com/netflix/conductor/common/metadata/common/Schema.java b/common/src/main/java/com/netflix/conductor/common/metadata/common/Schema.java
new file mode 100644
index 0000000000..878015a3a0
--- /dev/null
+++ b/common/src/main/java/com/netflix/conductor/common/metadata/common/Schema.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2024 Netflix, Inc.
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package com.netflix.conductor.common.metadata.common;
+
+import com.netflix.conductor.common.metadata.tasks.TaskDef;
+import com.netflix.conductor.common.metadata.workflow.WorkflowDef;
+
+/** Schema for {@link WorkflowDef} and {@link TaskDef} */
+public class Schema {
+
+    private String name;
+    private Integer version;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getVersion() {
+        return version;
+    }
+
+    public void setVersion(Integer version) {
+        this.version = version;
+    }
+}
diff --git a/common/src/main/java/com/netflix/conductor/common/metadata/tasks/TaskDef.java b/common/src/main/java/com/netflix/conductor/common/metadata/tasks/TaskDef.java
index 0486f1dd07..84020e5776 100644
--- a/common/src/main/java/com/netflix/conductor/common/metadata/tasks/TaskDef.java
+++ b/common/src/main/java/com/netflix/conductor/common/metadata/tasks/TaskDef.java
@@ -30,6 +30,7 @@
 import com.netflix.conductor.common.constraints.OwnerEmailValidConstraint;
 import com.netflix.conductor.common.constraints.TaskTimeoutConstraint;
 import com.netflix.conductor.common.metadata.Auditable;
+import com.netflix.conductor.common.metadata.common.Schema;
 
 @ProtoMessage
 @TaskTimeoutConstraint
@@ -128,6 +129,9 @@ public enum RetryLogic {
     @ProtoField(id = 21)
     private String baseType;
 
+    private Schema inputSchema;
+    private Schema outputSchema;
+
     public TaskDef() {}
 
     public TaskDef(String name) {
@@ -437,6 +441,22 @@ public void setBaseType(String baseType) {
         this.baseType = baseType;
     }
 
+    public Schema getInputSchema() {
+        return inputSchema;
+    }
+
+    public void setInputSchema(Schema inputSchema) {
+        this.inputSchema = inputSchema;
+    }
+
+    public Schema getOutputSchema() {
+        return outputSchema;
+    }
+
+    public void setOutputSchema(Schema outputSchema) {
+        this.outputSchema = outputSchema;
+    }
+
     @Override
     public String toString() {
         return name;
@@ -468,7 +488,9 @@ && getRetryLogic() == taskDef.getRetryLogic()
                 && Objects.equals(getIsolationGroupId(), taskDef.getIsolationGroupId())
                 && Objects.equals(getExecutionNameSpace(), taskDef.getExecutionNameSpace())
                 && Objects.equals(getOwnerEmail(), taskDef.getOwnerEmail())
-                && Objects.equals(getBaseType(), taskDef.getBaseType());
+                && Objects.equals(getBaseType(), taskDef.getBaseType())
+                && Objects.equals(getInputSchema(), taskDef.getInputSchema())
+                && Objects.equals(getOutputSchema(), taskDef.getOutputSchema());
     }
 
     @Override
@@ -492,6 +514,8 @@ public int hashCode() {
                 getIsolationGroupId(),
                 getExecutionNameSpace(),
                 getOwnerEmail(),
-                getBaseType());
+                getBaseType(),
+                getInputSchema(),
+                getOutputSchema());
     }
 }
diff --git a/common/src/main/java/com/netflix/conductor/common/metadata/workflow/WorkflowDef.java b/common/src/main/java/com/netflix/conductor/common/metadata/workflow/WorkflowDef.java
index 1cd9a8fe9d..15d8cb813b 100644
--- a/common/src/main/java/com/netflix/conductor/common/metadata/workflow/WorkflowDef.java
+++ b/common/src/main/java/com/netflix/conductor/common/metadata/workflow/WorkflowDef.java
@@ -28,6 +28,7 @@
 import com.netflix.conductor.common.constraints.OwnerEmailValidConstraint;
 import com.netflix.conductor.common.constraints.TaskReferenceNameUniqueConstraint;
 import com.netflix.conductor.common.metadata.Auditable;
+import com.netflix.conductor.common.metadata.common.Schema;
 import com.netflix.conductor.common.metadata.tasks.TaskType;
 
 @ProtoMessage
@@ -101,6 +102,10 @@ public enum TimeoutPolicy {
 
     private RateLimitConfig rateLimitConfig;
 
+    private Schema inputSchema;
+
+    private Schema outputSchema;
+
     /**
      * @return the name
      */
@@ -337,6 +342,22 @@ public void setRateLimitConfig(RateLimitConfig rateLimitConfig) {
         this.rateLimitConfig = rateLimitConfig;
     }
 
+    public Schema getInputSchema() {
+        return inputSchema;
+    }
+
+    public void setInputSchema(Schema inputSchema) {
+        this.inputSchema = inputSchema;
+    }
+
+    public Schema getOutputSchema() {
+        return outputSchema;
+    }
+
+    public void setOutputSchema(Schema outputSchema) {
+        this.outputSchema = outputSchema;
+    }
+
     public boolean containsType(String taskType) {
         return collectTasks().stream().anyMatch(t -> t.getType().equals(taskType));
     }
@@ -409,7 +430,9 @@ && getSchemaVersion() == that.getSchemaVersion()
                 && Objects.equals(getOutputParameters(), that.getOutputParameters())
                 && Objects.equals(getFailureWorkflow(), that.getFailureWorkflow())
                 && Objects.equals(getOwnerEmail(), that.getOwnerEmail())
-                && Objects.equals(getTimeoutSeconds(), that.getTimeoutSeconds());
+                && Objects.equals(getTimeoutSeconds(), that.getTimeoutSeconds())
+                && Objects.equals(getInputSchema(), that.getInputSchema())
+                && Objects.equals(getOutputSchema(), that.getOutputSchema());
     }
 
     @Override
@@ -424,7 +447,9 @@ public int hashCode() {
                 getFailureWorkflow(),
                 getSchemaVersion(),
                 getOwnerEmail(),
-                getTimeoutSeconds());
+                getTimeoutSeconds(),
+                getInputSchema(),
+                getOutputSchema());
     }
 
     @Override
diff --git a/core/src/main/java/com/netflix/conductor/model/TaskModel.java b/core/src/main/java/com/netflix/conductor/model/TaskModel.java
index 95a359ae6f..0c837ff991 100644
--- a/core/src/main/java/com/netflix/conductor/model/TaskModel.java
+++ b/core/src/main/java/com/netflix/conductor/model/TaskModel.java
@@ -19,6 +19,7 @@
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
 
+import com.netflix.conductor.common.metadata.common.Schema;
 import com.netflix.conductor.common.metadata.tasks.Task;
 import com.netflix.conductor.common.metadata.tasks.TaskDef;
 import com.netflix.conductor.common.metadata.workflow.StateChangeEvent;
@@ -158,6 +159,7 @@ public boolean isRetriable() {
     /** Id of the parent task when *this* task is an event associated with the task */
     private String parentTaskId;
 
+    private Schema outputSchema;
     private @Valid Map<String, List<StateChangeEvent>> onStateChange;
 
     @JsonIgnore private Map<String, Object> inputPayload = new HashMap<>();
@@ -695,4 +697,12 @@ public String getParentTaskId() {
     public void setParentTaskId(String parentTaskId) {
         this.parentTaskId = parentTaskId;
     }
+
+    public Schema getOutputSchema() {
+        return outputSchema;
+    }
+
+    public void setOutputSchema(Schema outputSchema) {
+        this.outputSchema = outputSchema;
+    }
 }
diff --git a/core/src/main/java/com/netflix/conductor/model/WorkflowModel.java b/core/src/main/java/com/netflix/conductor/model/WorkflowModel.java
index 4f42f2e0af..f223d2cfd1 100644
--- a/core/src/main/java/com/netflix/conductor/model/WorkflowModel.java
+++ b/core/src/main/java/com/netflix/conductor/model/WorkflowModel.java
@@ -18,6 +18,7 @@
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
 
+import com.netflix.conductor.common.metadata.common.Schema;
 import com.netflix.conductor.common.metadata.workflow.WorkflowDef;
 import com.netflix.conductor.common.run.Workflow;
 import com.netflix.conductor.core.utils.Utils;
@@ -106,6 +107,7 @@ public boolean isSuccessful() {
     private String rateLimitKey;
     private boolean rateLimited;
     private Map<String, Object> systemMetadata = new HashMap<>();
+    private Schema outputSchema;
 
     private List<WorkflowModel> history = new LinkedList<>();
 
@@ -485,6 +487,14 @@ public void setSystemMetadata(Map<String, Object> systemMetadata) {
         this.systemMetadata = systemMetadata;
     }
 
+    public Schema getOutputSchema() {
+        return outputSchema;
+    }
+
+    public void setOutputSchema(Schema outputSchema) {
+        this.outputSchema = outputSchema;
+    }
+
     public void externalizeInput(String path) {
         this.inputPayload = this.input;
         this.input = new HashMap<>();