Neos\ContentRepository\Domain\Model\Workspace::setDescription PHP Method

    public function setDescription($description)
    {
        $this->description = $description;
    }

 /**
  * Create a new workspace
  *
  * This command creates a new workspace.
  *
  * @param string $workspace Name of the workspace, for example "christmas-campaign"
  * @param string $baseWorkspace Name of the base workspace. If none is specified, "live" is assumed.
  * @param string $title Human friendly title of the workspace, for example "Christmas Campaign"
  * @param string $description A description explaining the purpose of the new workspace
  * @param string $owner The identifier of a User to own the workspace
  * @return void
  */
 public function createCommand($workspace, $baseWorkspace = 'live', $title = null, $description = null, $owner = '')
 {
     $workspaceName = $workspace;
     $workspace = $this->workspaceRepository->findOneByName($workspaceName);
     if ($workspace instanceof Workspace) {
         $this->outputLine('Workspace "%s" already exists', [$workspaceName]);
         $this->quit(1);
     }
     $baseWorkspaceName = $baseWorkspace;
     $baseWorkspace = $this->workspaceRepository->findOneByName($baseWorkspaceName);
     if (!$baseWorkspace instanceof Workspace) {
         $this->outputLine('The base workspace "%s" does not exist', [$baseWorkspaceName]);
         $this->quit(2);
     }
     if ($owner === '') {
         $owningUser = null;
     } else {
         $owningUser = $this->userService->getUser($owner);
         if ($owningUser === null) {
             $this->outputLine('The user "%s" specified as owner does not exist', [$owner]);
             $this->quit(3);
         }
     }
     if ($title === null) {
         $title = $workspaceName;
     }
     $workspace = new Workspace($workspaceName, $baseWorkspace, $owningUser);
     $workspace->setTitle($title);
     $workspace->setDescription($description);
     $this->workspaceRepository->add($workspace);
     if ($owningUser instanceof User) {
         $this->outputLine('Created a new workspace "%s", based on workspace "%s", owned by "%s".', [$workspaceName, $baseWorkspaceName, $owner]);
     } else {
         $this->outputLine('Created a new workspace "%s", based on workspace "%s".', [$workspaceName, $baseWorkspaceName]);
     }
 }