Is the name of the publication. publication is sysname, with no default.
[ @level= ] level
Is the type of validation to perform. level is tinyint, with no default. Level can be one of these values.
Rowcount and checksum validation. This value is only valid for Microsoft SQL Server 7.0 Subscribers. For Microsoft SQL Server 2000 and Microsoft SQL Server 2005 Subscribers, this is automatically set to 3.