6.1.9. Bug Fields

The Bugzilla API for getting details about bug fields. Fields

Get information about valid bug fields, including the lists of legal values for each field.


To get information about all fields:

GET /rest/field/bug

To get information related to a single field:

GET /rest/field/bug/(id_or_name)
name type description
id_or_name mixed An integer field ID or string representing the field name.


  "fields": [
      "display_name": "Priority",
      "name": "priority",
      "type": 2,
      "is_mandatory": false,
      "value_field": null,
      "values": [
          "sortkey": 100,
          "sort_key": 100,
          "visibility_values": [],
          "name": "P1"
          "sort_key": 200,
          "name": "P2",
          "visibility_values": [],
          "sortkey": 200
          "sort_key": 300,
          "visibility_values": [],
          "name": "P3",
          "sortkey": 300
          "sort_key": 400,
          "name": "P4",
          "visibility_values": [],
          "sortkey": 400
          "name": "P5",
          "visibility_values": [],
          "sort_key": 500,
          "sortkey": 500
      "visibility_values": [],
      "visibility_field": null,
      "is_on_bug_entry": false,
      "is_custom": false,
      "id": 13

field (array) Field objects each containing the following items:

name type description
id int An integer ID uniquely identifying this field in this installation only.
type int

The number of the fieldtype. The following values are defined:

  • 0 Field type unknown
  • 1 Single-line string field
  • 2 Single value field
  • 3 Multiple value field
  • 4 Multi-line text value
  • 5 Date field with time
  • 6 Bug ID field
  • 7 See Also field
  • 8 Keywords field
  • 9 Date field
  • 10 Integer field
is_custom boolean true when this is a custom field, false otherwise.
name string The internal name of this field. This is a unique identifier for this field. If this is not a custom field, then this name will be the same across all Bugzilla installations.
display_name string The name of the field, as it is shown in the user interface.
is_mandatory boolean true if the field must have a value when filing new bugs. Also, mandatory fields cannot have their value cleared when updating bugs.
is_on_bug_entry boolean For custom fields, this is true if the field is shown when you enter a new bug. For standard fields, this is currently always false, even if the field shows up when entering a bug. (To know whether or not a standard field is valid on bug entry, see Create Bug.
visibility_field string The name of a field that controls the visibility of this field in the user interface. This field only appears in the user interface when the named field is equal to one of the values is visibility_values. Can be null.
visibility_values array This field is only shown when visibility_field matches one of these string values. When visibility_field is null, then this is an empty array.
value_field string The name of the field that controls whether or not particular values of the field are shown in the user interface. Can be null.
values array Objects representing the legal values for select-type (drop-down and multiple-selection) fields. This is also populated for the component, version, target_milestone, and keywords fields, but not for the product field (you must use get_accessible_products for that). For fields that aren't select-type fields, this will simply be an empty array. Each object contains the items described in the Value object below.

Value object:

name type description
name string The actual value--this is what you would specify for this field in create, etc.
sort_key int Values, when displayed in a list, are sorted first by this integer and then secondly by their name.
visibility_values array If value_field is defined for this field, then this value is only shown if the value_field is set to one of the values listed in this array. Note that for per-product fields, value_field is set to product and visibility_values will reflect which product(s) this value appears in.
is_active boolean This value is defined only for certain product-specific fields such as version, target_milestone or component. When true, the value is active; otherwise the value is not active.
description string The description of the value. This item is only included for the keywords field.
is_open boolean For bug_status values, determines whether this status specifies that the bug is "open" (true) or "closed" (false). This item is only included for the bug_status field.
can_change_to array

For bug_status values, this is an array of objects that determine which statuses you can transition to from this status. (This item is only included for the bug_status field.)

Each object contains the following items:

  • name: (string) The name of the new status
  • comment_required: (boolean) true if a comment is required when you change a bug into this status using this transition.


  • 51 (Invalid Field Name or Id) You specified an invalid field name or id.