diff --git a/README.md b/README.md
index e52f6d2..32c03ad 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ The client is available in the [Maven Central Repository](https://mvnrepository.
     <dependency>
         <groupId>com.recombee</groupId>
         <artifactId>api-client</artifactId>
-        <version>1.4.0</version>
+        <version>1.5.0</version>
     </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index 7bc3835..f624887 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.recombee</groupId>
     <artifactId>api-client</artifactId>
-    <version>1.4.0</version>
+    <version>1.5.0</version>
     <name>Recombee API Client</name>
     <description>A client library for easy use of the Recombee recommendation API</description>
     <url>http://recombee.com</url>
diff --git a/src/main/java/com/recombee/api_client/RecombeeClient.java b/src/main/java/com/recombee/api_client/RecombeeClient.java
index 1e0c4dd..c85a445 100644
--- a/src/main/java/com/recombee/api_client/RecombeeClient.java
+++ b/src/main/java/com/recombee/api_client/RecombeeClient.java
@@ -59,6 +59,8 @@
 import com.recombee.api_client.api_requests.ListUserCartAdditions;
 import com.recombee.api_client.api_requests.ListItemBookmarks;
 import com.recombee.api_client.api_requests.ListUserBookmarks;
+import com.recombee.api_client.api_requests.ListItemViewPortions;
+import com.recombee.api_client.api_requests.ListUserViewPortions;
 import com.recombee.api_client.api_requests.UserBasedRecommendation;
 import com.recombee.api_client.api_requests.ItemBasedRecommendation;
 
@@ -77,7 +79,7 @@ public class RecombeeClient {
 
     final int BATCH_MAX_SIZE = 10000; //Maximal number of requests within one batch request
 
-    final String USER_AGENT = "recombee-java-api-client/1.4.0";
+    final String USER_AGENT = "recombee-java-api-client/1.5.0";
 
     public RecombeeClient(String databaseId, String token) {
         this.databaseId = databaseId;
@@ -278,6 +280,26 @@ public Bookmark[] send(ListUserBookmarks request) throws ApiException {
          return null;
     }
 
+    public ViewPortion[] send(ListItemViewPortions request) throws ApiException {
+        String responseStr = sendRequest(request);
+        try {
+            return this.mapper.readValue(responseStr, ViewPortion[].class);
+        } catch (IOException e) {
+            e.printStackTrace();
+         }
+         return null;
+    }
+
+    public ViewPortion[] send(ListUserViewPortions request) throws ApiException {
+        String responseStr = sendRequest(request);
+        try {
+            return this.mapper.readValue(responseStr, ViewPortion[].class);
+        } catch (IOException e) {
+            e.printStackTrace();
+         }
+         return null;
+    }
+
     /* End of the generated code */
 
     public BatchResponse[] send(Batch batchRequest) throws ApiException {
@@ -502,6 +524,22 @@ else if (request instanceof ListUserBookmarks)
                         for(int j=0;j<ar.length;j++) ar[j] = new Bookmark(array.get(j));
                         parsedResponse = ar;
                     }
+
+                    else if (request instanceof ListItemViewPortions)
+                    {
+                        ArrayList<Map<String, Object>> array = (ArrayList<Map<String, Object>>) parsedResponse;
+                        ViewPortion[] ar = new ViewPortion[array.size()];
+                        for(int j=0;j<ar.length;j++) ar[j] = new ViewPortion(array.get(j));
+                        parsedResponse = ar;
+                    }
+
+                    else if (request instanceof ListUserViewPortions)
+                    {
+                        ArrayList<Map<String, Object>> array = (ArrayList<Map<String, Object>>) parsedResponse;
+                        ViewPortion[] ar = new ViewPortion[array.size()];
+                        for(int j=0;j<ar.length;j++) ar[j] = new ViewPortion(array.get(j));
+                        parsedResponse = ar;
+                    }
                 /* End of the generated code */
                 }
 
diff --git a/src/main/java/com/recombee/api_client/api_requests/DeleteViewPortion.java b/src/main/java/com/recombee/api_client/api_requests/DeleteViewPortion.java
new file mode 100644
index 0000000..7d29762
--- /dev/null
+++ b/src/main/java/com/recombee/api_client/api_requests/DeleteViewPortion.java
@@ -0,0 +1,104 @@
+package com.recombee.api_client.api_requests;
+
+/*
+ This file is auto-generated, do not edit
+*/
+
+import java.util.Date;
+import java.util.Map;
+import java.util.HashMap;
+
+import com.recombee.api_client.util.HTTPMethod;
+
+/**
+ * The view portions feature is currently experimental.
+ * Deletes an existing view portion specified by (`userId`, `itemId`, `sessionId`) from the database.
+ */
+public class DeleteViewPortion extends Request {
+
+    /**
+     * ID of the user who rated the item.
+     */
+    protected String userId;
+    /**
+     * ID of the item which was rated.
+     */
+    protected String itemId;
+    /**
+     * Identifier of a session.
+     */
+    protected String sessionId;
+
+    /**
+     * Construct the request
+     * @param userId ID of the user who rated the item.
+     * @param itemId ID of the item which was rated.
+     */
+    public DeleteViewPortion (String userId,String itemId) {
+        this.userId = userId;
+        this.itemId = itemId;
+        this.timeout = 1000;
+    }
+
+    /**
+     * @param sessionId Identifier of a session.
+     */
+    public DeleteViewPortion setSessionId(String sessionId) {
+         this.sessionId = sessionId;
+         return this;
+    }
+
+    public String getUserId() {
+         return this.userId;
+    }
+
+    public String getItemId() {
+         return this.itemId;
+    }
+
+    public String getSessionId() {
+         return this.sessionId;
+    }
+
+    /**
+     * @return Used HTTP method
+     */
+    @Override
+    public HTTPMethod getHTTPMethod() {
+        return HTTPMethod.DELETE;
+    }
+
+    /**
+     * @return URI to the endpoint including path parameters
+     */
+    @Override
+    public String getPath() {
+        return "/viewportions/";
+    }
+
+    /**
+     * Get query parameters
+     * @return Values of query parameters (name of parameter: value of the parameter)
+     */
+    @Override
+    public Map<String, Object> getQueryParameters() {
+        HashMap<String, Object> params = new HashMap<String, Object>();
+        params.put("userId", this.userId.toString());
+        params.put("itemId", this.itemId.toString());
+        if (this.sessionId!=null) {
+            params.put("sessionId", this.sessionId.toString());
+        }
+        return params;
+    }
+
+    /**
+     * Get body parameters
+     * @return Values of body parameters (name of parameter: value of the parameter)
+     */
+    @Override
+    public Map<String, Object> getBodyParameters() {
+        HashMap<String, Object> params = new HashMap<String, Object>();
+        return params;
+    }
+
+}
diff --git a/src/main/java/com/recombee/api_client/api_requests/ListItemViewPortions.java b/src/main/java/com/recombee/api_client/api_requests/ListItemViewPortions.java
new file mode 100644
index 0000000..f038dec
--- /dev/null
+++ b/src/main/java/com/recombee/api_client/api_requests/ListItemViewPortions.java
@@ -0,0 +1,74 @@
+package com.recombee.api_client.api_requests;
+
+/*
+ This file is auto-generated, do not edit
+*/
+
+import java.util.Date;
+import java.util.Map;
+import java.util.HashMap;
+
+import com.recombee.api_client.util.HTTPMethod;
+
+/**
+ * The view portions feature is currently experimental.
+ * List all the view portions of an item ever submitted by different users.
+ */
+public class ListItemViewPortions extends Request {
+
+    /**
+     * ID of the item of which the view portions are to be listed.
+     */
+    protected String itemId;
+
+    /**
+     * Construct the request
+     * @param itemId ID of the item of which the view portions are to be listed.
+     */
+    public ListItemViewPortions (String itemId) {
+        this.itemId = itemId;
+        this.timeout = 100000;
+    }
+
+
+    public String getItemId() {
+         return this.itemId;
+    }
+
+    /**
+     * @return Used HTTP method
+     */
+    @Override
+    public HTTPMethod getHTTPMethod() {
+        return HTTPMethod.GET;
+    }
+
+    /**
+     * @return URI to the endpoint including path parameters
+     */
+    @Override
+    public String getPath() {
+        return String.format("/items/%s/viewportions/", this.itemId);
+    }
+
+    /**
+     * Get query parameters
+     * @return Values of query parameters (name of parameter: value of the parameter)
+     */
+    @Override
+    public Map<String, Object> getQueryParameters() {
+        HashMap<String, Object> params = new HashMap<String, Object>();
+        return params;
+    }
+
+    /**
+     * Get body parameters
+     * @return Values of body parameters (name of parameter: value of the parameter)
+     */
+    @Override
+    public Map<String, Object> getBodyParameters() {
+        HashMap<String, Object> params = new HashMap<String, Object>();
+        return params;
+    }
+
+}
diff --git a/src/main/java/com/recombee/api_client/api_requests/ListUserViewPortions.java b/src/main/java/com/recombee/api_client/api_requests/ListUserViewPortions.java
new file mode 100644
index 0000000..1136e80
--- /dev/null
+++ b/src/main/java/com/recombee/api_client/api_requests/ListUserViewPortions.java
@@ -0,0 +1,74 @@
+package com.recombee.api_client.api_requests;
+
+/*
+ This file is auto-generated, do not edit
+*/
+
+import java.util.Date;
+import java.util.Map;
+import java.util.HashMap;
+
+import com.recombee.api_client.util.HTTPMethod;
+
+/**
+ * The view portions feature is currently experimental.
+ * List all the view portions ever submitted by a given user.
+ */
+public class ListUserViewPortions extends Request {
+
+    /**
+     * ID of the user whose view portions are to be listed.
+     */
+    protected String userId;
+
+    /**
+     * Construct the request
+     * @param userId ID of the user whose view portions are to be listed.
+     */
+    public ListUserViewPortions (String userId) {
+        this.userId = userId;
+        this.timeout = 100000;
+    }
+
+
+    public String getUserId() {
+         return this.userId;
+    }
+
+    /**
+     * @return Used HTTP method
+     */
+    @Override
+    public HTTPMethod getHTTPMethod() {
+        return HTTPMethod.GET;
+    }
+
+    /**
+     * @return URI to the endpoint including path parameters
+     */
+    @Override
+    public String getPath() {
+        return String.format("/users/%s/viewportions/", this.userId);
+    }
+
+    /**
+     * Get query parameters
+     * @return Values of query parameters (name of parameter: value of the parameter)
+     */
+    @Override
+    public Map<String, Object> getQueryParameters() {
+        HashMap<String, Object> params = new HashMap<String, Object>();
+        return params;
+    }
+
+    /**
+     * Get body parameters
+     * @return Values of body parameters (name of parameter: value of the parameter)
+     */
+    @Override
+    public Map<String, Object> getBodyParameters() {
+        HashMap<String, Object> params = new HashMap<String, Object>();
+        return params;
+    }
+
+}
diff --git a/src/main/java/com/recombee/api_client/api_requests/SetViewPortion.java b/src/main/java/com/recombee/api_client/api_requests/SetViewPortion.java
new file mode 100644
index 0000000..80bf6ba
--- /dev/null
+++ b/src/main/java/com/recombee/api_client/api_requests/SetViewPortion.java
@@ -0,0 +1,155 @@
+package com.recombee.api_client.api_requests;
+
+/*
+ This file is auto-generated, do not edit
+*/
+
+import java.util.Date;
+import java.util.Map;
+import java.util.HashMap;
+
+import com.recombee.api_client.util.HTTPMethod;
+
+/**
+ * The view portions feature is currently experimental.
+ * Sets viewed portion of an item (for example a video or article) by a user (at a session).
+ * If you send new request with the same (`userId`, `itemId`, `sessionId`), the portion gets updated.
+ */
+public class SetViewPortion extends Request {
+
+    /**
+     * User who viewed a portion of the item
+     */
+    protected String userId;
+    /**
+     * Viewed item
+     */
+    protected String itemId;
+    /**
+     * Id of session in which the user viewed the item
+     */
+    protected String sessionId;
+    /**
+     * UTC timestamp of the rating as ISO8601-1 pattern or UTC epoch time. The default value is the current time.
+     */
+    protected Date timestamp;
+    /**
+     * Viewed portion of the item (number between 0.0 (viewed nothing) and 1.0 (viewed full item) ).
+     */
+    protected Double portion;
+    /**
+     * Sets whether the given user/item should be created if not present in the database.
+     */
+    protected Boolean cascadeCreate;
+
+    /**
+     * Construct the request
+     * @param userId User who viewed a portion of the item
+     * @param itemId Viewed item
+     * @param portion Viewed portion of the item (number between 0.0 (viewed nothing) and 1.0 (viewed full item) ).
+     */
+    public SetViewPortion (String userId,String itemId,double portion) {
+        this.userId = userId;
+        this.itemId = itemId;
+        this.portion = portion;
+        this.timeout = 1000;
+    }
+
+    /**
+     * @param sessionId Id of session in which the user viewed the item
+     */
+    public SetViewPortion setSessionId(String sessionId) {
+         this.sessionId = sessionId;
+         return this;
+    }
+
+    /**
+     * @param timestamp UTC timestamp of the rating as ISO8601-1 pattern or UTC epoch time. The default value is the current time.
+     */
+    public SetViewPortion setTimestamp(Date timestamp) {
+         this.timestamp = timestamp;
+         return this;
+    }
+
+    /**
+     * @param cascadeCreate Sets whether the given user/item should be created if not present in the database.
+     */
+    public SetViewPortion setCascadeCreate(boolean cascadeCreate) {
+         this.cascadeCreate = cascadeCreate;
+         return this;
+    }
+
+    public String getUserId() {
+         return this.userId;
+    }
+
+    public String getItemId() {
+         return this.itemId;
+    }
+
+    public String getSessionId() {
+         return this.sessionId;
+    }
+
+    public Date getTimestamp() {
+         return this.timestamp;
+    }
+
+    public double getPortion() {
+         return this.portion;
+    }
+
+    public boolean getCascadeCreate() {
+         if (this.cascadeCreate==null) return false;
+         return this.cascadeCreate;
+    }
+
+    /**
+     * @return Used HTTP method
+     */
+    @Override
+    public HTTPMethod getHTTPMethod() {
+        return HTTPMethod.POST;
+    }
+
+    /**
+     * @return URI to the endpoint including path parameters
+     */
+    @Override
+    public String getPath() {
+        return "/viewportions/";
+    }
+
+    /**
+     * Get query parameters
+     * @return Values of query parameters (name of parameter: value of the parameter)
+     */
+    @Override
+    public Map<String, Object> getQueryParameters() {
+        HashMap<String, Object> params = new HashMap<String, Object>();
+        return params;
+    }
+
+    /**
+     * Get body parameters
+     * @return Values of body parameters (name of parameter: value of the parameter)
+     */
+    @Override
+    public Map<String, Object> getBodyParameters() {
+        HashMap<String, Object> params = new HashMap<String, Object>();
+        params.put("userId", this.userId);
+        params.put("itemId", this.itemId);
+        params.put("portion", this.portion);
+        if (this.sessionId!=null) {
+            params.put("sessionId", this.sessionId);
+        }
+        if (this.timestamp!=null) {
+            params.put("timestamp", this.timestamp.getTime()/1000.0);
+        }
+        if (this.cascadeCreate!=null) {
+            params.put("cascadeCreate", this.cascadeCreate);
+        }
+        return params;
+    }
+
+}
diff --git a/src/main/java/com/recombee/api_client/bindings/ViewPortion.java b/src/main/java/com/recombee/api_client/bindings/ViewPortion.java
new file mode 100644
index 0000000..315f45f
--- /dev/null
+++ b/src/main/java/com/recombee/api_client/bindings/ViewPortion.java
@@ -0,0 +1,105 @@
+package com.recombee.api_client.bindings;
+
+/*
+ This file is auto-generated, do not edit
+*/
+
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
+import java.util.Map;
+import java.util.Date;
+
+public class ViewPortion extends RecombeeBinding {
+    /**
+     * User who viewed a portion of the item
+     */
+    protected String userId;
+    /**
+     * Viewed item
+     */
+    protected String itemId;
+    /**
+     * Id of session in which the user viewed the item
+     */
+    protected String sessionId;
+    /**
+     * UTC timestamp of the rating as ISO8601-1 pattern or UTC epoch time. The default value is the current time.
+     */
+    protected Date timestamp;
+    /**
+     * Viewed portion of the item (number between 0.0 (viewed nothing) and 1.0 (viewed full item) ).
+     */
+    protected Double portion;
+
+    public ViewPortion () {}
+
+    public ViewPortion (String userId,String itemId,String sessionId,Date timestamp,double portion) {
+        this.userId = userId;
+        this.itemId = itemId;
+        this.sessionId = sessionId;
+        this.timestamp = timestamp;
+        this.portion = portion;
+    }
+
+    public ViewPortion (Map<String, Object> jsonObject) {
+        this.userId = (String) jsonObject.get("userId");
+        this.itemId = (String) jsonObject.get("itemId");
+        this.sessionId = (String) jsonObject.get("sessionId");
+        this.portion = (Double) jsonObject.get("portion");
+        Double epoch = 1000*(Double)jsonObject.get("timestamp");
+        this.timestamp = new Date(epoch.longValue());
+    }
+
+    public void setTimestamp(double epoch)
+    {
+         this.timestamp = new Date( (long) (1000 * epoch));
+    }
+
+    public String getUserId() {
+         return this.userId;
+    }
+
+    public String getItemId() {
+         return this.itemId;
+    }
+
+    public String getSessionId() {
+         return this.sessionId;
+    }
+
+    public Date getTimestamp() {
+         return this.timestamp;
+    }
+
+    public double getPortion() {
+         return this.portion;
+    }
+
+    @Override
+    public int hashCode() {
+    return new HashCodeBuilder(17, 31).
+        append(this.userId).
+        append(this.itemId).
+        append(this.sessionId).
+        append(this.timestamp).
+        append(this.portion).
+        toHashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+         if (!(obj instanceof ViewPortion))
+             return false;
+         if (obj == this)
+             return true;
+    
+         ViewPortion rhs = (ViewPortion) obj;
+         return new EqualsBuilder().
+            append(this.userId, rhs.userId).
+            append(this.itemId, rhs.itemId).
+            append(this.sessionId, rhs.sessionId).
+            append(this.timestamp, rhs.timestamp).
+            append(this.portion, rhs.portion).
+            isEquals();
+    }
+}
diff --git a/src/test/java/com/recombee/api_client/DeleteViewPortionBatchTest.java b/src/test/java/com/recombee/api_client/DeleteViewPortionBatchTest.java
new file mode 100644
index 0000000..f03141e
--- /dev/null
+++ b/src/test/java/com/recombee/api_client/DeleteViewPortionBatchTest.java
@@ -0,0 +1,33 @@
+package com.recombee.api_client;
+/*
+ This file is auto-generated, do not edit
+*/
+
+
+import com.recombee.api_client.api_requests.*;
+import com.recombee.api_client.bindings.*;
+import com.recombee.api_client.exceptions.ApiException;
+import com.recombee.api_client.exceptions.ResponseException;
+
+import java.util.HashMap;
+import java.util.Date;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+public class DeleteViewPortionBatchTest extends InteractionsTestCase {
+
+    @Test
+    public void testDeleteViewPortion() throws ApiException {
+        Request[] requests = new Request[] {
+            new DeleteViewPortion("user","item"),
+            new DeleteViewPortion("user","item")
+        };
+
+        BatchResponse[] responses = this.client.send(new Batch(requests));
+        assertEquals(200,responses[0].getStatusCode());
+        assertEquals(404,responses[1].getStatusCode());
+    }
+}
diff --git a/src/test/java/com/recombee/api_client/DeleteViewPortionTest.java b/src/test/java/com/recombee/api_client/DeleteViewPortionTest.java
new file mode 100644
index 0000000..ae10f31
--- /dev/null
+++ b/src/test/java/com/recombee/api_client/DeleteViewPortionTest.java
@@ -0,0 +1,38 @@
+package com.recombee.api_client;
+/*
+ This file is auto-generated, do not edit
+*/
+
+
+import com.recombee.api_client.api_requests.*;
+import com.recombee.api_client.bindings.*;
+import com.recombee.api_client.exceptions.ApiException;
+import com.recombee.api_client.exceptions.ResponseException;
+
+import java.util.HashMap;
+import java.util.Date;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+public class DeleteViewPortionTest extends InteractionsTestCase {
+
+    @Test
+    public void testDeleteViewPortion() throws ApiException {
+        DeleteViewPortion req;
+        Request req2;
+        String  resp;
+        // it 'does not fail with existing entity id'
+        req = new DeleteViewPortion("user","item");
+        resp = this.client.send(req);
+        req = new DeleteViewPortion("user","item");
+        try {
+            this.client.send(req);
+            fail("No exception thrown");
+        } catch (ResponseException ex) {
+            assertEquals(404,ex.getStatusCode());
+        }
+    }
+}
diff --git a/src/test/java/com/recombee/api_client/InteractionsTestCase.java b/src/test/java/com/recombee/api_client/InteractionsTestCase.java
index 6f770fe..9bcee6d 100644
--- a/src/test/java/com/recombee/api_client/InteractionsTestCase.java
+++ b/src/test/java/com/recombee/api_client/InteractionsTestCase.java
@@ -24,7 +24,8 @@ public void setUp() throws ApiException {
             new AddPurchase("user", "item").setTimestamp(new Date(0)),
             new AddRating("user", "item", 1).setTimestamp(new Date(0)),
             new AddCartAddition("user", "item").setTimestamp(new Date(0)),
-            new AddBookmark("user", "item").setTimestamp(new Date(0))
+            new AddBookmark("user", "item").setTimestamp(new Date(0)),
+            new SetViewPortion("user", "item", 1).setTimestamp(new Date(0))
 
         };
         this.client.send(new Batch(requests));
diff --git a/src/test/java/com/recombee/api_client/ListItemViewPortionsBatchTest.java b/src/test/java/com/recombee/api_client/ListItemViewPortionsBatchTest.java
new file mode 100644
index 0000000..c4e4f98
--- /dev/null
+++ b/src/test/java/com/recombee/api_client/ListItemViewPortionsBatchTest.java
@@ -0,0 +1,34 @@
+package com.recombee.api_client;
+/*
+ This file is auto-generated, do not edit
+*/
+
+
+import com.recombee.api_client.api_requests.*;
+import com.recombee.api_client.bindings.*;
+import com.recombee.api_client.exceptions.ApiException;
+import com.recombee.api_client.exceptions.ResponseException;
+
+import java.util.HashMap;
+import java.util.Date;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+public class ListItemViewPortionsBatchTest extends InteractionsTestCase {
+
+    @Test
+    public void testListItemViewPortions() throws ApiException {
+        Request[] requests = new Request[] {
+            new ListItemViewPortions("item")
+        };
+
+        BatchResponse[] responses = this.client.send(new Batch(requests));
+        assertEquals(200,responses[0].getStatusCode());
+        assertEquals(1, ((ViewPortion []) responses[0].getResponse()).length);
+        assertEquals ("item",((ViewPortion []) responses[0].getResponse())[0].getItemId());
+        assertEquals ("user",((ViewPortion []) responses[0].getResponse())[0].getUserId());
+    }
+}
diff --git a/src/test/java/com/recombee/api_client/ListItemViewPortionsTest.java b/src/test/java/com/recombee/api_client/ListItemViewPortionsTest.java
new file mode 100644
index 0000000..79352f3
--- /dev/null
+++ b/src/test/java/com/recombee/api_client/ListItemViewPortionsTest.java
@@ -0,0 +1,34 @@
+package com.recombee.api_client;
+/*
+ This file is auto-generated, do not edit
+*/
+
+
+import com.recombee.api_client.api_requests.*;
+import com.recombee.api_client.bindings.*;
+import com.recombee.api_client.exceptions.ApiException;
+import com.recombee.api_client.exceptions.ResponseException;
+
+import java.util.HashMap;
+import java.util.Date;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+public class ListItemViewPortionsTest extends InteractionsTestCase {
+
+    @Test
+    public void testListItemViewPortions() throws ApiException {
+        ListItemViewPortions req;
+        Request req2;
+        ViewPortion [] resp;
+        // it 'lists interactions'
+        req = new ListItemViewPortions("item");
+        resp = this.client.send(req);
+        assertEquals(1, resp.length);
+        assertEquals ("item",resp[0].getItemId());
+        assertEquals ("user",resp[0].getUserId());
+    }
+}
diff --git a/src/test/java/com/recombee/api_client/ListUserViewPortionsBatchTest.java b/src/test/java/com/recombee/api_client/ListUserViewPortionsBatchTest.java
new file mode 100644
index 0000000..640bbfa
--- /dev/null
+++ b/src/test/java/com/recombee/api_client/ListUserViewPortionsBatchTest.java
@@ -0,0 +1,34 @@
+package com.recombee.api_client;
+/*
+ This file is auto-generated, do not edit
+*/
+
+
+import com.recombee.api_client.api_requests.*;
+import com.recombee.api_client.bindings.*;
+import com.recombee.api_client.exceptions.ApiException;
+import com.recombee.api_client.exceptions.ResponseException;
+
+import java.util.HashMap;
+import java.util.Date;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+public class ListUserViewPortionsBatchTest extends InteractionsTestCase {
+
+    @Test
+    public void testListUserViewPortions() throws ApiException {
+        Request[] requests = new Request[] {
+            new ListUserViewPortions("user")
+        };
+
+        BatchResponse[] responses = this.client.send(new Batch(requests));
+        assertEquals(200,responses[0].getStatusCode());
+        assertEquals(1, ((ViewPortion []) responses[0].getResponse()).length);
+        assertEquals ("item",((ViewPortion []) responses[0].getResponse())[0].getItemId());
+        assertEquals ("user",((ViewPortion []) responses[0].getResponse())[0].getUserId());
+    }
+}
diff --git a/src/test/java/com/recombee/api_client/ListUserViewPortionsTest.java b/src/test/java/com/recombee/api_client/ListUserViewPortionsTest.java
new file mode 100644
index 0000000..10c0c75
--- /dev/null
+++ b/src/test/java/com/recombee/api_client/ListUserViewPortionsTest.java
@@ -0,0 +1,34 @@
+package com.recombee.api_client;
+/*
+ This file is auto-generated, do not edit
+*/
+
+
+import com.recombee.api_client.api_requests.*;
+import com.recombee.api_client.bindings.*;
+import com.recombee.api_client.exceptions.ApiException;
+import com.recombee.api_client.exceptions.ResponseException;
+
+import java.util.HashMap;
+import java.util.Date;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+public class ListUserViewPortionsTest extends InteractionsTestCase {
+
+    @Test
+    public void testListUserViewPortions() throws ApiException {
+        ListUserViewPortions req;
+        Request req2;
+        ViewPortion [] resp;
+        // it 'lists user interactions'
+        req = new ListUserViewPortions("user");
+        resp = this.client.send(req);
+        assertEquals(1, resp.length);
+        assertEquals ("item",resp[0].getItemId());
+        assertEquals ("user",resp[0].getUserId());
+    }
+}
diff --git a/src/test/java/com/recombee/api_client/SetViewPortionBatchTest.java b/src/test/java/com/recombee/api_client/SetViewPortionBatchTest.java
new file mode 100644
index 0000000..ad78361
--- /dev/null
+++ b/src/test/java/com/recombee/api_client/SetViewPortionBatchTest.java
@@ -0,0 +1,43 @@
+package com.recombee.api_client;
+/*
+ This file is auto-generated, do not edit
+*/
+
+
+import com.recombee.api_client.api_requests.*;
+import com.recombee.api_client.bindings.*;
+import com.recombee.api_client.exceptions.ApiException;
+import com.recombee.api_client.exceptions.ResponseException;
+
+import java.util.HashMap;
+import java.util.Date;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+public class SetViewPortionBatchTest extends RecombeeTestCase {
+
+    @Test
+    public void testSetViewPortion() throws ApiException {
+        Request[] requests = new Request[] {
+            new SetViewPortion("u_id","i_id",1).setCascadeCreate(true),
+            new SetViewPortion("entity_id","entity_id",0),
+            new SetViewPortion("entity_id","nonex_id",1),
+            new SetViewPortion("nonex_id","entity_id",0.5),
+            new SetViewPortion("entity_id","entity_id",0).setTimestamp(new Date(-15)),
+            new SetViewPortion("entity_id","entity_id",-2),
+            new SetViewPortion("entity_id","entity_id",0.7).setSessionId("a****")
+        };
+
+        BatchResponse[] responses = this.client.send(new Batch(requests));
+        assertEquals(200,responses[0].getStatusCode());
+        assertEquals(200,responses[1].getStatusCode());
+        assertEquals(404,responses[2].getStatusCode());
+        assertEquals(404,responses[3].getStatusCode());
+        assertEquals(400,responses[4].getStatusCode());
+        assertEquals(400,responses[5].getStatusCode());
+        assertEquals(400,responses[6].getStatusCode());
+    }
+}
diff --git a/src/test/java/com/recombee/api_client/SetViewPortionTest.java b/src/test/java/com/recombee/api_client/SetViewPortionTest.java
new file mode 100644
index 0000000..c8bdd4f
--- /dev/null
+++ b/src/test/java/com/recombee/api_client/SetViewPortionTest.java
@@ -0,0 +1,74 @@
+package com.recombee.api_client;
+/*
+ This file is auto-generated, do not edit
+*/
+
+
+import com.recombee.api_client.api_requests.*;
+import com.recombee.api_client.bindings.*;
+import com.recombee.api_client.exceptions.ApiException;
+import com.recombee.api_client.exceptions.ResponseException;
+
+import java.util.HashMap;
+import java.util.Date;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+public class SetViewPortionTest extends RecombeeTestCase {
+
+    @Test
+    public void testSetViewPortion() throws ApiException {
+        SetViewPortion req;
+        Request req2;
+        String  resp;
+        // it 'does not fail with cascadeCreate'
+        req = new SetViewPortion("u_id","i_id",1).setCascadeCreate(true);
+        resp = this.client.send(req);
+        // it 'does not fail with existing item and user'
+        req = new SetViewPortion("entity_id","entity_id",0);
+        resp = this.client.send(req);
+        // it 'fails with nonexisting item id'
+        req = new SetViewPortion("entity_id","nonex_id",1);
+        try {
+            this.client.send(req);
+            fail("No exception thrown");
+        } catch (ResponseException ex) {
+            assertEquals(404,ex.getStatusCode());
+        }
+        // it 'fails with nonexisting user id'
+        req = new SetViewPortion("nonex_id","entity_id",0.5);
+        try {
+            this.client.send(req);
+            fail("No exception thrown");
+        } catch (ResponseException ex) {
+            assertEquals(404,ex.getStatusCode());
+        }
+        // it 'fails with invalid time'
+        req = new SetViewPortion("entity_id","entity_id",0).setTimestamp(new Date(-15));
+        try {
+            this.client.send(req);
+            fail("No exception thrown");
+        } catch (ResponseException ex) {
+            assertEquals(400,ex.getStatusCode());
+        }
+        // it 'fails with invalid portion'
+        req = new SetViewPortion("entity_id","entity_id",-2);
+        try {
+            this.client.send(req);
+            fail("No exception thrown");
+        } catch (ResponseException ex) {
+            assertEquals(400,ex.getStatusCode());
+        }
+        // it 'fails with invalid sessionId'
+        req = new SetViewPortion("entity_id","entity_id",0.7).setSessionId("a****");
+        try {
+            this.client.send(req);
+            fail("No exception thrown");
+        } catch (ResponseException ex) {
+            assertEquals(400,ex.getStatusCode());
+        }
+    }
+}