--- a/lib/IMPL/Config/ReferenceDescriptor.pm	Tue Oct 20 07:32:55 2015 +0300
+++ b/lib/IMPL/Config/ReferenceDescriptor.pm	Thu Oct 29 03:50:25 2015 +0300
@@ -23,6 +23,11 @@
 	$this->reference($ref)
 	  or die IMPL::InvalidArgumentException->new('ref');
 
+	$this->lazy( $opts{lazy} )         if $opts{lazy};
+	$this->optional( $opts{optional} ) if $opts{optional};
+	$this->default( $opts{default} )
+	  if $opts{optional} and exists $opts{default};
+
 	$this->_name( 'ref ' . $ref );
 }
 
@@ -50,3 +55,34 @@
 }
 
 1;
+
+__END__
+
+=pod
+
+=head1 NAME
+
+C<IMPL::Config::ReferenceDescriptor> - A descriptor which is points to the other service
+
+=head1 MEMBERS
+
+=head2 PROPS
+
+=head3 reference
+
+=head3 lazy
+
+=head3 optional
+
+=head3 default
+
+=head2 METHODS
+
+=head3 CTOR($ref, %opts)
+
+=head3 Activate($context)
+
+Returns a result of the activation of the service specified by the C<reference> property.
+
+If the reference is lazy the method returns a closure.The C<$context> will be cloned and the clone will be used to create the closure. 
+=cut