diff --git a/src/main/java/org/gcube/social_networking/social_networking_client_library/PostClient.java b/src/main/java/org/gcube/social_networking/social_networking_client_library/PostClient.java
index 4e9ac80..f01da59 100644
--- a/src/main/java/org/gcube/social_networking/social_networking_client_library/PostClient.java
+++ b/src/main/java/org/gcube/social_networking/social_networking_client_library/PostClient.java
@@ -3,7 +3,9 @@ package org.gcube.social_networking.social_networking_client_library;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import javax.ws.rs.core.GenericType;
 
@@ -197,13 +199,27 @@ public class PostClient extends BaseClient{
 		return HttpClient.post(new GenericType<ResponseBean<Boolean>>(){}, request, post);
 	} //bool
 
-	public boolean saveAttachmentEntryLib(String key, Attachment attachment){
-		Validate.isTrue(attachment != null, "attachment to write cannot be null");
+	public boolean saveUserPostLib(Post post, List<Attachment> attachments) {
+		Validate.isTrue(post != null, "Post to write cannot be null");
+
+		logger.debug("Request for saving application post");
+		String thisMethodSignature = "save-user-post-attachments-lib";
+		String request =  getServiceEndpoint() + thisMethodSignature;
+		Map<Post, List<Attachment>> obj = new HashMap<>();
+		obj.put(post, attachments);
+		return HttpClient.post(new GenericType<ResponseBean<Boolean>>(){}, request, obj);
+	}
+
+	public boolean saveAppPostLib(Post post, List<Attachment> attachments) {
+		Validate.isTrue(post != null, "Post to write cannot be null");
+
+		logger.debug("Request for saving application post");
+		String thisMethodSignature = "save-app-post-attachments-lib";
+		String request =  getServiceEndpoint() + thisMethodSignature;
+		Map<Post, List<Attachment>> obj = new HashMap<>();
+		obj.put(post, attachments);
+		return HttpClient.post(new GenericType<ResponseBean<Boolean>>(){}, request, obj);
 
-		logger.debug("Request for save attachment");
-		String thisMethodSignature = "save-attachment-entry-lib";
-		String request =  getServiceEndpoint() + thisMethodSignature + "?postid=" + key;
-		return HttpClient.post(new GenericType<ResponseBean<Boolean>>(){}, request, attachment);
 	}
 
 	public boolean saveAppPostLib(Post post){