diff --git a/pom.xml b/pom.xml
index 41cb7e9..8e6f737 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,6 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-assembly-plugin</artifactId>
-				<version>2.2</version>
 				<configuration>
 					<descriptors>
 						<descriptor>${distroDirectory}/descriptor.xml</descriptor>
diff --git a/src/main/java/org/gcube/data/spd/model/service/types/JobType.java b/src/main/java/org/gcube/data/spd/model/service/types/JobType.java
index 819b332..5315c3d 100644
--- a/src/main/java/org/gcube/data/spd/model/service/types/JobType.java
+++ b/src/main/java/org/gcube/data/spd/model/service/types/JobType.java
@@ -9,5 +9,6 @@ public enum JobType {
 	DWCAById,
 	CSV,
 	CSVForOM,
-	DarwinCore
+	DarwinCore,
+	LayerCreator
 }
diff --git a/src/main/java/org/gcube/data/spd/model/service/types/MetadataDetails.java b/src/main/java/org/gcube/data/spd/model/service/types/MetadataDetails.java
new file mode 100644
index 0000000..ab91afb
--- /dev/null
+++ b/src/main/java/org/gcube/data/spd/model/service/types/MetadataDetails.java
@@ -0,0 +1,52 @@
+package org.gcube.data.spd.model.service.types;
+
+import java.util.Arrays;
+import java.util.List;
+
+
+public class MetadataDetails{
+	
+	private String abstractField;
+	private String purpose;
+	private String title;
+	private String author;
+	private String credits;
+	private List<String> keywords;
+	
+	public MetadataDetails(String abstractField, String purpose,
+			String title, String author, String credits, String ... keywords) {
+		super();
+		this.abstractField = abstractField;
+		this.purpose = purpose;
+		this.title = title;
+		this.author = author;
+		this.credits = credits;
+		this.keywords = Arrays.asList(keywords);
+	}
+
+	public String getAbstractField() {
+		return abstractField;
+	}
+
+	public String getPurpose() {
+		return purpose;
+	}
+
+	public String getTitle() {
+		return title;
+	}
+
+	public String getAuthor() {
+		return author;
+	}
+
+	public String getCredits() {
+		return credits;
+	}
+
+	public List<String> getKeywords() {
+		return keywords;
+	}
+	
+
+}