{ "type":"object",
  "title": "account_billing",
  "name": "account_billing",
  "description": "BETA An account billing serves as the glue between an account a document and their related account entries and line items. It also lets one keep track of who billed what and when. A billing is created from billable account entries, which are turned into line items for a document.",
  "properties":{
    "id":{
      "description":"Unique identifier - UUID",
      "identity":true,
      "readonly":true,
      "type":"string",
      "maxLength": 22,
      "minLength":22
    },
    "name":{
      "description": "A note for the billing e.g. happyPDF usage April 2014. The field is wildcard searchable",
      "type":"string",
      "maxLength": 100
    },
    "account_id":{
      "description": "The related account. Must be set for entries to be found.",
      "type":"string",
      "required":true,
      "maxLength": 22,
      "minLength":22
    },
    "group_entries_by":{
      "description": "Group multiple account entries into single line items, when creating a billing+document from entries. Account entries MUST have the SAME price_single and quantity unit, to land in a group. Date base groups also require the SAME entry name.",
      "type":"string",
      "enum": ["name", "day", "week", "month", "year"]
    },
    "document_type":{
      "description": "The document type to create. CamelCase document class name. Invoice by default",
      "type":"string",
      "default" : "Invoice",
      "enum": ["Invoice", "CreditNote", "Order", "Estimate"]
    },
    "set_billed_at":{
      "description": "Set billed at date for related account entries.",
      "type":"boolean",
      "default" : false
    },
    "document_id":{
      "description": "The document created by the billing.",
      "type":"string",
      "readonly": true,
      "maxLength": 22,
      "minLength":22
    },
    "created_at":{
      "description": "Date the object was created in SK. Never changes afterwards",
      "format":"date-time",
      "readonly":true,
      "type":"string"
    },
    "team_id":{
      "description": "A team uuid. Is inferred from the accounts team id.",
      "type":"string",
      "maxLength": 22,
      "minLength":22
    },
    "creator_id":{
      "description": "User who created the record.",
      "type":"string",
      "maxLength": 22,
      "minLength":22,
      "readonly":true
    }
  },
  "links":[
    { "rel": "self",
      "href": "account_billings/{id}"
    },
    { "rel": "instances",
      "href": "account_billings",
      "properties" : {
        "filter[q]":{
          "title" : "Search",
          "description": "Wildcard search in name",
          "type":"string"
        },
        "filter[account_ids]":{
          "title" : "Accounts",
          "description": "Find objects belonging to a single or a list of accounts, use ids comma separated.",
          "type" : "string"
        },
        "filter[created_at_from]":{
          "title" : "From creation date",
          "description": "Objects with a date eq/after the date. YYYY-MM-DD",
          "format" : "date",
          "type" : "string"
        },
        "filter[created_at_to]":{
          "title" : "To creation date",
          "description": "Objects with a creation until the date(<=). ISO 8601 format YYY-MM-DDThh:mm:ss+z or just a date YYY-MM-DD. If date is given the time is set to the end of the day(23:59:59) so all objects created on that day are included. A time should be already utc time.",
          "format" : "date",
          "type" : "string"
        },
        "page":{
          "title" : "Page",
          "description": "In paginated results set the page to look for",
          "type":"number"
        },
        "per_page":{
          "title" : "Per page",
          "description": "Results per page. Default is 10, max is 100",
          "type":"number"
        },
        "sort_by":{
          "title" : "Sort by",
          "description": "Sort the results by the given field => number",
          "enum":["name","number","balance", "created_at", "updated_at"],
          "type": "string"
        },
        "sort":{
          "title" : "Sort",
          "enum":["ASC","DESC"],
          "description": "Sort the results in ASC or DESC",
          "type": "string"
        }
      }
    },
    { "rel": "destroy",
      "href": "account_billings/{id}",
      "method": "DELETE"
    },
    { "rel": "create",
      "href": "account_billings",
      "method": "POST"
    }
  ]
}