So hmm you need to put the maps into a file named "objectivecycle.cfg" for example ( the name isnt important) then you upload it in jaymod folder .

Make sure you have in your server.cfg :

set g_gametype "2"
set g_campaignFile "objectivecycle.cfg"
or
exec objectivecycle.cfg
Here is an example of objectivecycle.cfg :
set d1 "set g_gametype 2 ; map goldrush ; set nextmap vstr d2"
set d2 "set g_gametype 2 ; map oasis ; set nextmap vstr d3"
set d3 "set g_gametype 2 ; map venice ; set nextmap vstr d4"
set d4 "set g_gametype 2 ; map mlb_temple ; set nextmap vstr d5"
set d5 "set g_gametype 2 ; map fueldump ; set nextmap vstr d6"
set d6 "set g_gametype 2 ; map caen2 ; set nextmap vstr d7"
set d7 "set g_gametype 2 ; map battery ; set nextmap vstr d8"
set d8 "set g_gametype 2 ; map et_mor2_night ; set nextmap vstr d1"
vstr d1
Hope its gonna help you , if i'm wrong please correct me