start => '00:00', tz => 'GMT', days => 'Mon,Tue,Wed,Thu,Fri,Sat,Sun'

J1(token => 'T' ) J2(token => 'T')   J3()

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J6(token => 'U') J5(token => 'U') J4(token => 'U')

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J8(token => 'T,U')