Freezing a branch prevents any code changes being made to files in the branch. When a branch is frozen, it is locked and no changes can be made to it.

<taskdef name="sscmfreeze" classname="com.seapine.surroundscm.ant.SSCMFreeze" />

Attribute	Description	Type	Requirement
branch	Enter the branch name.	String	Required
mainline	Enter the mainline branch name. The default is defined in the working directory.	String
failOnError	Set to true if you want the task to throw a BuildException when it fails.	boolean	Optional
serverconnect	Enter the address and port number of the Surround SCM server host computer. If not entered, use the last saved connection parameters.	String
serverlogin	Enter the username and password used to login to the Surround SCM server. If not entered, use the last saved login parameters.	String

 <sscmfreeze
   serverconnect="localhost:4900"
   serverlogin="administrator:"
   mainline="Mainline"
   branch="Widget 1.0"
   />

Freeze the 'Widget 1.0' branch off of the mainline 'Mainline' on the server at localhost, port 4900 with username 'administrator' and a blank password.