Permissions.UpdatePermission Method

[SoapDocumentMethodAttribute("http://schemas.microsoft.com/sharepoint/soap/directory/UpdatePermission", RequestNamespace="http://schemas.microsoft.com/sharepoint/soap/directory/", ResponseNamespace="http://schemas.microsoft.com/sharepoint/soap/directory/", Use=SoapBindingUse.Literal, ParameterStyle=SoapParameterStyle.Wrapped)] 
public void UpdatePermission (
	string objectName,
	string objectType,
	string permissionIdentifier,
	string permissionType,
	int permissionMask
)

Parameters

objectName

A string that contains the name of the list or site.

objectType

A string that specifies either List or Web.

permissionIdentifier

A string that contains the name of the site group, the name of the cross-site group, or the user name (DOMAIN\User_Alias) of the user to whom the permission applies.

permissionType

A string that specifies user, group (cross-site group), or role (site group). The user or cross-site group must be valid, and the site group must already exist on the site.

permissionMask

A 32-bit integer that specifies the new permission mask (for example, 134284064). The GetPermissionCollection can be used to return the permissions for the site or list.

To access the Permissions service and its methods, set a Web reference to http://Server_Name/[sites/][Site_Name/]_vti_bin/Permissions.asmx.

The following code example modifies the permissions for a site group on the current site.

Web_Reference_Folder_Name.Permissions permService = new Web_Reference_Folder_Name.Permissions();
permService.Credentials= System.Net.CredentialCache.DefaultCredentials;

permService.UpdatePermission("Site_Name", "Web", "Site_Group", "role", 134283265);