You mean something like this? (See near the bottom of the XML.)

<channel-definition
script="classpath://org/jasig/portal/io/import-channel_v3-1.crn">
  <title>Scalia Labs Webcam</title>
  <name>Scalia Labs Webcam</name>
  <fname>webcam-scalia</fname>

                                       <desc>Webcam for Scalia Labs
looking South from Clippinger Labs toward the Ping Center.</desc>
<type>Image</type>


<class>org.jasig.portal.channels.portlet.CSpringPortletAdaptor</class>

<timeout>30000</timeout>

              <hasedit>N</hasedit>

                               <hashelp>N</hashelp>

                                               <hasabout>N</hasabout>


<secure>N</secure>

                 <locale>en_US</locale>

                                 <categories>


<category>Entertainment</category>
  </categories>
  <groups>
    <group>Everyone</group>
  </groups>
  <parameters>
    <parameter>
      <name>isFrameworkPortlet</name>
      <value>true</value>
      <description/>
      <ovrd>N</ovrd>
    </parameter>
    <parameter>
      <name>portletName</name>
      <value>Image</value>
      <description/>
      <ovrd>N</ovrd>
    </parameter>
    <parameter>
      <name>disableDynamicTitle</name>
      <value>true</value>
      <description/>
      <ovrd>N</ovrd>
    </parameter>
  </parameters>
  <portletPreferences>
    <portletPreference>
      <name>img-border</name>
      <values><value>2</value></values>
    </portletPreference>
    <portletPreference>
      <name>img-height</name>
      <values><value>240</value></values>
    </portletPreference>
    <portletPreference>
      <name>img-link</name>
      <values><value>http://www.scalialab.com/</value></values>
    </portletPreference>
    <portletPreference>
      <name>img-uri</name>
      
<values><value>http://scaliacam.phy.ohiou.edu/axis-cgi/mjpg/video.cgi?camera=&amp;resolution=352x240</value></values>
    </portletPreference>
    <portletPreference>
      <name>img-width</name>
      <values><value>352</value></values>
    </portletPreference>
  </portletPreferences>
</channel-definition>


On Mon, Nov 14, 2011 at 12:10 PM, tomit <[email protected]> wrote:
> Hi!
>
> Can anyone please explain me, how I can specify portlet preferences when
> adding a new portlet to the system? I know I can set portlet preferences
> within portlet.xml file, but i would like to be able to specify certain
> parameters while adding a new portlet to the system.
> Example of what I am trying to accomplish is the Image type portlet
> available with uPortal quickstart installation (when adding a new portlet of
> type Image, you can set image url, with and height of the image).
>
> Tnx

-- 
Bruce Tong
Software Engineer
Office of Information Technology
Ohio University

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