sp_getVolumeFreeSpace (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_getVolumeFreeSpace(nvarchar @database_name
, int @file_id)

MetaData:

   
CREATE PROCEDURE sys.sp_getVolumeFreeSpace  
@database_name sysname,  
@file_id int  
AS  
BEGIN  
  
    IF(DB_NAME() != 'msdb')  
    BEGIN  
        RAISERROR(14416,-1,-1)  
        RETURN 14416  
    END  
    IF ( HAS_PERMS_BY_NAME(null, null, 'VIEW SERVER STATE') != 1 )  
    BEGIN  
        RAISERROR(38002, -1, -1, 'View Server State')  
        RETURN 38002  
    END  
    DECLARE @physicalfilename nvarchar(260)  
    SELECT @physicalfilename = physical_name FROM sys.master_files WHERE database_id = DB_ID(@database_name) AND file_id = @file_id  
    IF(@physicalfilename IS NULL)  
    BEGIN  
        RAISERROR(38001,-1,-1,@file_id,@database_name)  
        RETURN 38001  
    END  
    SELECT sys.fn_getVolumeFreeSpace_internal(@physicalfilename)  
END