How to count the number of record in a table

static void recordCountGeneric( Args _args)
{
    int64 getRecordCount( str _tname)
    {
        common  common;
        SysDictTable    dictTable = new SysDictTable( tableName2id( _tname));
        ;
        
        common = dictTable.makeRecor d();
        
        select count(RecId) from common;
        return common.RecId;
    }
    ;
    
    info(strfmt("Number of records in %1 is %2", "CustTable", getRecordCount("CustTable")));
}