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Name your app to generate a namespace. This lets you refer to your app in code later on.

# Categories: Supported Filters and Sorting

The following table shows field support for filters and sorting
for the Category object:

| Field           | Supported Filters                             | Sortable |
| --------------- | --------------------------------------------- | -------- |
| `id`            | `$eq`, `$ne`, `$hasSome`                      | Sortable |
| `parentId`      | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	   |  |
| `name`          | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	  |          |
| `rank`          | `$eq`, `$ne`, `$lt`, `$lte`, `$gt`, `$gte`	  | Sortable |
| `headerTitle`   | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	 |  |
| `headerType`    | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	|          |
| `description`   | `$eq`, `$ne`, `$contains`, `$hasSome`, `$startsWith`, `$endsWith`, `$hasSome`   |          |
| `postCount`     | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	   | Sortable |
| `postViewCount` | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	 | Sortable |
| `slug`          | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	 |          |

__Related content:__
[API Query Language](portalId::b85dea5b-341b-493b-b99e-4d4ca12baaa2resourceId::a85a7b9f-d113-4eba-acf5-4f23ff85a7a2*fallback::https://dev.wix.com/api/sdk/guides/filter-with-the-api-query-language),
[queryCategories( )](portalId::b85dea5b-341b-493b-b99e-4d4ca12baaa2resourceId::bc0853ad-98e6-4732-8955-8c92c3c3f97aslug::query-categories*fallback::https://dev.wix.com/api/sdk/forum/categories/querycategories)

@package_metadata:@wix/forum

To use the Categories API, install the `@wix/forum` package.

#### Install the package

Follow the installation instructions for your development environment.

| Development environment | Installation method |
|--|--|
| Wix sites (editor or IDE) | Use the [package manager](fallback::https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/packages/work-with-npm-packages-in-the-editor). |
| Wix sites (local IDE) | Run `wix install @wix/forum` using the [Wix CLI](fallback::https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/packages/work-with-npm-packages-with-the-wix-cli).|
| Blocks apps | Use the same installation method as Wix sites. |
| CLI and self-hosted apps | Run `npm install @wix/forum` or `yarn add @wix/forum`. |
| Headless sites and apps | Run `npm install @wix/forum` or `yarn add @wix/forum`. |

#### Import the package

To import the package in your code:

```js
import { categories } from '@wix/forum'
```

Coding Examples

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Client

API Preview

Ricos

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REST

Velo

Picasso

GraphQL (Alpha)

Categories 1 0 0

categoryId

string

Options specifying which fields to return.

options

GetCategoryOptions

import { categories } from '@wix/forum';

async function getCategory(categoryId, options) {
  const response = await categories.getCategory(categoryId, options);
};

getCategory

import { categories } from '@wix/forum';
import { auth } from '@wix/essentials';

async function myGetCategoryMethod(categoryId, options) {
  const elevatedGetCategory = auth.elevate(categories.getCategory);
  const response = await elevatedGetCategory(categoryId, options);
}

getCategory (with elevated permissions)

import { createClient } from '@wix/sdk';
import { categories } from '@wix/forum';
// Import the auth strategy for the relevant access type
// Import the relevant host module if needed

const myWixClient = createClient ({
  modules: { categories },
  // Include the auth strategy and host as relevant
});


async function getCategory(categoryId, options) {
  const response = await myWixClient.categories.getCategory(categoryId, options);
};

Self-hosted SDK calls require you to [create a client](https://dev.wix.com/docs/sdk/articles/work-with-the-sdk/about-the-wix-client).

getCategory (self-hosted)

Manage Forums

Read Forums

NonNullablePaths

Retrieved category for the provided category ID.

slug

GetCategoryBySlugOptions

import { categories } from '@wix/forum';

async function getCategoryBySlug(slug, options) {
  const response = await categories.getCategoryBySlug(slug, options);
};

getCategoryBySlug

import { categories } from '@wix/forum';
import { auth } from '@wix/essentials';

async function myGetCategoryBySlugMethod(slug, options) {
  const elevatedGetCategoryBySlug = auth.elevate(categories.getCategoryBySlug);
  const response = await elevatedGetCategoryBySlug(slug, options);
}

getCategoryBySlug (with elevated permissions)

import { createClient } from '@wix/sdk';
import { categories } from '@wix/forum';
// Import the auth strategy for the relevant access type
// Import the relevant host module if needed

const myWixClient = createClient ({
  modules: { categories },
  // Include the auth strategy and host as relevant
});


async function getCategoryBySlug(slug, options) {
  const response = await myWixClient.categories.getCategoryBySlug(slug, options);
};

getCategoryBySlug (self-hosted)

Options for sorting, filtering, paging, and specifying return fields.

QueryCategoriesOptions

Retrieves a list of categories, given the provided paging, filtering, and sorting.

Query Categories runs with these defaults, which you can override:

- `paging.limit` is `10`
- `paging.offset` is `0`

For field support for filters and sorting,
see [Categories: Supported Filters and Sorting](https://dev.wix.com/docs/rest/api-reference/wix-forum/wix-forum/filter-and-sort#category-api-supported-filters-and-sorting).

To learn about working with _Query_ endpoints, see
[API Query Language](https://dev.wix.com/api/rest/getting-started/api-query-language),
[Sorting and Paging](https://dev.wix.com/docs/rest/articles/getting-started/sorting-and-paging),
and [Field Projection](https://dev.wix.com/api/rest/getting-started/field-projection).

import { categories } from '@wix/forum';

async function queryCategories(options) {
  const response = await categories.queryCategories(options);
};

queryCategories

import { categories } from '@wix/forum';
import { auth } from '@wix/essentials';

async function myQueryCategoriesMethod(options) {
  const elevatedQueryCategories = auth.elevate(categories.queryCategories);
  const response = await elevatedQueryCategories(options);
}

queryCategories (with elevated permissions)

import { createClient } from '@wix/sdk';
import { categories } from '@wix/forum';
// Import the auth strategy for the relevant access type
// Import the relevant host module if needed

const myWixClient = createClient ({
  modules: { categories },
  // Include the auth strategy and host as relevant
});


async function queryCategories(options) {
  const response = await myWixClient.categories.queryCategories(options);
};

queryCategories (self-hosted)

@package_metadata:@wix/forum

To use the Categories API, install the `@wix/forum` package.

#### Install the package

Follow the installation instructions for your development environment.

| Development environment | Installation method |
|--|--|
| Wix sites (editor or IDE) | Use the [package manager](https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/packages/work-with-npm-packages-in-the-editor). |
| Wix sites (local IDE) | Run `wix install @wix/forum` using the [Wix CLI](https://dev.wix.com/docs/develop-websites/articles/coding-with-velo/packages/work-with-npm-packages-with-the-wix-cli).|
| Blocks apps | Use the same installation method as Wix sites. |
| CLI and self-hosted apps | Run `npm install @wix/forum` or `yarn add @wix/forum`. |
| Headless sites and apps | Run `npm install @wix/forum` or `yarn add @wix/forum`. |

#### Import the package

To import the package in your code:

```js
import { categories } from '@wix/forum'
```
  

# Categories: Supported Filters and Sorting

The following table shows field support for filters and sorting
for the Category object:

| Field           | Supported Filters                             | Sortable |
| --------------- | --------------------------------------------- | -------- |
| `id`            | `$eq`, `$ne`, `$hasSome`                      | Sortable |
| `parentId`      | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	   |  |
| `name`          | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	  |          |
| `rank`          | `$eq`, `$ne`, `$lt`, `$lte`, `$gt`, `$gte`	  | Sortable |
| `headerTitle`   | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	 |  |
| `headerType`    | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	|          |
| `description`   | `$eq`, `$ne`, `$contains`, `$hasSome`, `$startsWith`, `$endsWith`, `$hasSome`   |          |
| `postCount`     | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	   | Sortable |
| `postViewCount` | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	 | Sortable |
| `slug`          | `$eq`, `$ne`, `$contains`, `$hasSome`, `$urlized`, `$startsWith`, `$endsWith`, `$hasSome`	 |          |

__Related content:__
[API Query Language](https://dev.wix.com/api/sdk/guides/filter-with-the-api-query-language),
[queryCategories( )](https://dev.wix.com/api/sdk/forum/categories/querycategories)


forum_categories

Access

CategoriesPaging

limit

number

Number of items to skip in the current sort order.

offset

CategoriesSort

Records can be sorted by:
rank
postCount
postViewCount

fieldName

Records can be sorted in ascending (default) or descending order.

order

Order

CategoryCreatedEnvelope

entity

metadata

EventMetadata

CategoryDeletedEnvelope

CategoryUpdatedEnvelope

Unique event ID.
Allows clients to ignore duplicate webhooks.

A sequence number defining the order of updates to the underlying entity.
For example, given that some entity was updated at 16:00 and than again at 16:01,
it is guaranteed that the sequence number of the second update is strictly higher than the first.
As the consumer, you can use this value to ensure that you handle messages in the correct order.
To do so, you will need to persist this number on your end, and compare the sequence number from the
message against the one you have stored. Given that the stored number is higher, you should ignore the message.

entityEventSequence

Assumes actions are also always typed to an entity_type
Example: wix.stores.catalog.product, wix.bookings.session, wix.payments.transaction

entityFqdn

ID of the entity associated with the event.

entityId

Event timestamp in [ISO-8601](https://en.wikipedia.org/wiki/ISO_8601) format and UTC time. For example: 2020-04-26T13:57:50.699Z

eventTime

eventType

The identification type and identity data.

identity

IdentificationData

instanceId

If present, indicates the action that triggered the event.

originatedFrom

This is top level to ease client code dispatching of messages (switch on entity_fqdn+slug)
This is although the created/updated/deleted notion is duplication of the oneof types
Example: created/updated/deleted/started/completed/email_opened

Whether the event was triggered as a result of a privacy regulation application
(for example, GDPR).

triggeredByAnonymizeRequest

boolean

Field

Array of extra category fields to be added in the response. `UNKNOWN` must not be passed.

extraFields

HeaderType

ID of a site visitor that has not logged in to the site.

anonymousVisitorId

appId

ID of a site visitor that has logged in to the site.

memberId

ID of a Wix user (site owner, contributor, etc.).

wixUserId

identityType

WebhookIdentityType

Interaction

OnCategoryCreatedHandler

event

void

OnCategoryDeletedHandler

OnCategoryUpdatedHandler

PostInteraction

PostType

Array of extra category fields to be included in the response.

Filter object (e.g., { $and: [{ postViewCount: { $gt: 0 } }, { postCount: { $gt: 0 }] } )

filter

Paging object (e.g., {limit: 10, offset: 100 } )

paging

Array of sort objects (e.g.,  [{ fieldName: rank, order: Order.ASC }] )

sort

Reaction

type

code

SubscribeContactToCategoryOptions

contactId

Type

UnsubscribeContactFromCategoryOptions

handler

import { categories } from '@wix/forum';

categories.onCategoryCreated((event) => {
    // handle your event here
});

onCategoryCreated

import { createClient, AppStrategy } from '@wix/sdk';
import { categories } from '@wix/forum';

const wixClient = createClient({
  auth: AppStrategy({
    appId: 'MY-APP-ID',
    publicKey: 'YOUR_APP_PUBLIC_KEY',
   }),
   modules: {
      categories,
    },
});

wixClient.categories.onCategoryCreated((event) => {
    // handle your event here
});

onCategoryCreated (self-hosted)

import { categories } from '@wix/forum';

categories.onCategoryDeleted((event) => {
    // handle your event here
});

onCategoryDeleted

import { createClient, AppStrategy } from '@wix/sdk';
import { categories } from '@wix/forum';

const wixClient = createClient({
  auth: AppStrategy({
    appId: 'MY-APP-ID',
    publicKey: 'YOUR_APP_PUBLIC_KEY',
   }),
   modules: {
      categories,
    },
});

wixClient.categories.onCategoryDeleted((event) => {
    // handle your event here
});

onCategoryDeleted (self-hosted)

import { categories } from '@wix/forum';

categories.onCategoryUpdated((event) => {
    // handle your event here
});

onCategoryUpdated

import { createClient, AppStrategy } from '@wix/sdk';
import { categories } from '@wix/forum';

const wixClient = createClient({
  auth: AppStrategy({
    appId: 'MY-APP-ID',
    publicKey: 'YOUR_APP_PUBLIC_KEY',
   }),
   modules: {
      categories,
    },
});

wixClient.categories.onCategoryUpdated((event) => {
    // handle your event here
});

onCategoryUpdated( )