Skip to content

List canon grain rows

Canon module

GET/canon/grainscanonGrains.list

Grain: class, unit or lot (Section 3.9). Returns a cursor page of canon grain rows the caller may see. The default order is `grain` ascending. Supports sparse fieldsets and the filter grammar.

  • Requires the capability canon.taxonomy.read.
  • OAuth scopes: canon.
  • Cursor-paginated: limit, cursor, fields, sort and filter apply.
  • Error statuses: 400, 401, 429. Errors are RFC 9457 problem details.

Path and query parameters

canonGrains.list: Path and query parameters
FieldTypeRequiredDescription
limitLimitNoPage size. Default 50, maximum 200.Constraints: range 1 to 200
cursorCursorNoOpaque cursor from `next_cursor` of the previous page.Constraints: length 1 to any
fieldsFieldsNoSparse fieldset: a comma-separated list of top-level fields to return. `id` is always returned.Constraints: pattern ^[a-z_][a-z0-9_]*(,[a-z_][a-z0-9_]*)*$
sortSortNoSort keys, comma-separated; a leading `-` sorts descending. Without `sort`, the documented default order applies (coded lists sort in numeric code order).Constraints: pattern ^-?[a-z_][a-z0-9_]*(,-?[a-z_][a-z0-9_]*)*$
filterFilterNoFilter grammar `filter[field][op]=value`. Operators: eq, ne, lt, lte, gt, gte, in (comma-separated values), is_null (true or false) and contains. Conditions combine with AND.

Response 200: a page of CanonGrain

canonGrains.list: CanonGrain
FieldTypeRequiredDescription
grainGrainCodeYesGrain from `xpms.dim_grain` (Section 3.9).Constraints: pattern ^[a-z]+$
countsstringYesWhat it counts.Constraints: length 1 to 300
identified_bystringYesHow it is identified.Constraints: length 1 to 300
answersstringYesWhat it answers.Constraints: length 1 to 300
notestring | nullYesNote from the Bible.Constraints: length 1 to 20000
{
  "data": [
    {
      "grain": "unit",
      "counts": "One physical thing",
      "identified_by": "Serial or asset tag",
      "answers": "Where is this one?",
      "note": "Tracked individually."
    }
  ],
  "next_cursor": null
}

Code samples

curl -X GET "$XOS_BASE_URL/canon/grains" \
  -H "Authorization: Bearer $XOS_API_KEY"
for await (const row of xos.canonGrains.listAll()) {
  console.log(row);
}
for row in xos.canon_grains.list_all():
    print(row)
xos canon-grains list --all