sp_MSget_latest_peerlsn (Transact-SQL MetaData) Definition

Please note: that the following source code is provided and copyrighted by Microsoft and is for educational purpose only.
The meta data is from an SQL 2012 Server.

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Definition:

sys.sp_MSget_latest_peerlsn(nvarchar @originator_publication
, nvarchar @originator
, nvarchar @originator_db)

MetaData:

 create procedure sys.sp_MSget_latest_peerlsn   
(  
    @originator_publication sysname,  
    @originator sysname,  
    @originator_db sysname,  
    @xact_seqno binary(10) output  
)  
as  
begin  
    declare @retcode int      
  
    --   
    --  Security check  
    --   
    exec @retcode = sp_MSreplcheck_subscribe  
    if @@error != 0 or @retcode != 0  
        return 1  
  
    select @xact_seqno = originator_lsn from MSpeer_lsns with (NOLOCK)  
        where originator = UPPER(@originator) and  
              originator_db = @originator_db and  
              originator_publication = @originator_publication  
      
    if @@error <> 0  
        return(1)  
      
    return 0  
end