Como hacer check in con metadatos personalizados(CMIS)

 public Document createTestDoc(String docName,String contentType){
			Session session = getSession(); 
			System.out.println("crear documento createTestDoc ");// Grab a reference to the folder where we want to create content
			Folder folder =(Folder) session.getObjectByPath("/"+ getFolderName()); 
			System.out.println("folder "+folder); 
			String timeStamp =new Long(System.currentTimeMillis()).toString();String filename = docName +" ("+ timeStamp +")";
			System.out.println("filename  "+filename);// Create a Map of objects with the props we want to set
			Map <String, Object> properties =new HashMap<String, Object>();// Following sets the content type and adds the webable and productRelated aspects// This works because we are using the OpenCMIS extension for Alfresco
			properties.put(PropertyIds.OBJECT_TYPE_ID,"D:rg:Actas");		
			properties.put(PropertyIds.NAME, filename); 
			String docText ="This is a sample "+ contentType +" document called "+ docName;byte[] content = docText.getBytes();
			InputStream stream =new ByteArrayInputStream(content);
			ContentStream contentStream = session.getObjectFactory().createContentStream(filename, Long.valueOf(content.length),"text/plain", stream); 
			Document doc = folder.createDocument(
					   properties,
					   contentStream,
					   VersioningState.MAJOR);
			System.out.println("Created: "+ doc.getId());
			System.out.println("Content Length: "+ doc.getContentStreamLength()); 
			return doc;} 
El metodo me da el siguiente error:'D:rg:Actas' is unknown!, donde Actas es mi tipo.
 
 
Le coloco mi modelo como lo tengo a ver como me podrian ayudar.
 
<type name ="rg:actas"><title>Tipo Actas</title><parent>cm:content</parent><properties><property name="rg:numActa"> 
              <title>Número de Acta</title><type>d:text</type><mandatory>false</mandatory><constraints><constraint ref="rg:tamanoNUI"/><constraint ref="rg:soloCaracteres"/></constraints></property><property name="rg:tipoActas"><title>Tipos de Actas</title><type>d:text</type><mandatory>false</mandatory><constraints><!--<constraint ref="rg:llenarListaActa"/>--> 
						<constraint ref="rg:CodeLabel"/> 
 
			 </constraints></property> 
 
   </type> 
 
  <aspects><aspect name="rg:aspectoRelacionRegitroCivil"><title> Metadatos relacional </title><properties><property name="rg:numExpediente"><title>Número de Expediente</title><type>d:text</type><mandatory>false</mandatory></property><property name="rg:NUI"><title>Número Único Identificación</title><type>d:text</type><mandatory>false</mandatory></property><property name="rg:numSolicitud"><title>Número de Solicitud</title><type>d:text</type><mandatory>false</mandatory></property> 
 
         </properties></aspect></aspects> 
 
Como podria hacer el ckeck in con todo  esta metadata? 
Si me podrian dejar un ejemplo de busqueda y borrado tambien seria excelente mucha gracias
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