diff --git a/src/main/java/org/gcube/data/publishing/ckan2zenodo/Ckan2Zenodo.java b/src/main/java/org/gcube/data/publishing/ckan2zenodo/Ckan2Zenodo.java
index 80ac6c0..23a5491 100644
--- a/src/main/java/org/gcube/data/publishing/ckan2zenodo/Ckan2Zenodo.java
+++ b/src/main/java/org/gcube/data/publishing/ckan2zenodo/Ckan2Zenodo.java
@@ -1,8 +1,24 @@
 package org.gcube.data.publishing.ckan2zenodo;
 
+import java.util.Set;
+import java.util.concurrent.Future;
+
+import org.gcube.data.publishing.ckan2zenodo.model.CkanItemDescriptor;
+import org.gcube.data.publishing.ckan2zenodo.model.CkanResource;
+import org.gcube.data.publishing.ckan2zenodo.model.zenodo.ZenodoDeposition;
+
 public interface Ckan2Zenodo {
 
+	public static Ckan2Zenodo get() {
+		return null;
+	}
 	
 	
-	
+	public CkanItemDescriptor read(String itemName);
+	public ZenodoDeposition translate(CkanItemDescriptor desc);
+	public ZenodoDeposition updatedMetadata(ZenodoDeposition toUpdate);
+	public CkanResource filterResources(CkanItemDescriptor desc);
+	public Future<ZenodoDeposition> uploadFiles(Set<CkanResource> toUpload,ZenodoDeposition deposition); 
+	public ZenodoDeposition publish(ZenodoDeposition dep, CkanItemDescriptor toUpdate);
+		
 }