{ "rules_create_newsletter" : {
    "LABEL" : "Create newsletter",
    "PLUGIN" : "rule",
    "REQUIRES" : [ "rules" ],
    "USES VARIABLES" : { "articles" : { "label" : "Articles", "type" : "list\u003Cnode\u003E" } },
    "DO" : [
      { "entity_create" : {
          "USING" : {
            "type" : "node",
            "param_type" : "simplenews",
            "param_title" : "Newsletter",
            "param_author" : [ "site:current-user" ]
          },
          "PROVIDE" : { "entity_created" : { "newsletter_created" : "Created newsletter" } }
        }
      },
      { "data_set" : { "data" : [ "newsletter-created:field-simplenews-term" ], "value" : "1" } },
      { "LOOP" : {
          "USING" : { "list" : [ "articles" ] },
          "ITEM" : { "article" : "Article" },
          "DO" : [
            { "list_add" : {
                "list" : [ "newsletter-created:field-simplenews-articles" ],
                "item" : [ "article" ],
                "unique" : 1
              }
            }
          ]
        }
      },
      { "entity_save" : { "data" : [ "newsletter-created" ] } }
    ]
  }
}