var1 = [
item_key => '1',
item_description => 'description 1',
item_summary => 'item summary 1',
action_key => '1',
action_summary => 'summary 1'
]

var2 = [
item_key => '1',
item_description => 'description 1',
item_summary => 'item summary 1',
action_key => '2',
action_summary => 'summary 2'
]

var3 = [
item_key => '2',
item_description => 'description 2',
item_summary => 'item summary 2',
action_key => '3',
action_summary => 'summary 3'
]

##</code><code>##

var1 = [
item_key => '1',
item_description => 'description 1',
item_summary => 'item summary 1',
action => [ key => '1',
            summary => 'summary 1'
          ],
          [ key => '2',
            summary => 'summary 2'
          ]
]

var2 = [
item_key => '2',
item_description => 'description 2',
item_summary => 'item summary 2',
action => [ key => '3',
            summary => 'summary 3'
          ]
]