> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt ## Resource: Wix Blog "Categories" Collection Fields ## Article: Wix Blog "Categories" Collection Fields ## Article Link: https://dev.wix.com/docs/develop-websites/articles/wix-apps/wix-app-collections/other-apps/wix-blog/wix-blog-categories-collection-fields.md ## Article Content: # Velo: Wix Blog "Categories" Collection Fields >**Note:** > Before continuing, make sure you've read [Working with Wix App Collections](https://dev.wix.com/docs/develop-websites/articles/databases/wix-data/collections/working-with-wix-app-collections-and-code.md). This document describes the permissions and fields in your Categories collection.  ### Permissions The Categories collection has the following [permissions](https://support.wix.com/en/article/about-collection-permissions): * **Read:** Anyone  * **Create:** None * **Update:** None * **Delete:** None You cannot change the Categories collection permissions.  ### Fields The field name is listed as the heading of each section, with the field ID listed in parentheses, like this: Name (name). The fields appear in this document in the order in which they appear in your collection by default. #### ID (\_id) **Description**: The ID of the blog category. This is a system field and is hidden by default. **Type**: Text **Can connect to data**: Yes **Can use in dynamic page URL**: No **Can be sorted**: Yes **Can be filtered**: eq, ne **Read-only**: Yes #### Label (label) **Description**: The name of the category as it appears in the Blog menu.  **Type**: Text  **Can connect to data**: Yes  **Can use in dynamic page URL**: Yes **Can be sorted**: Yes **Can be filtered**: eq, ne, contains, startsWith, hasSome  **Read-only**: Yes #### Post Count (postCount) **Description**: The number of posts in the category. **Type**: Number **Can connect to data**: Yes **Can use in dynamic page URL**: No **Can be sorted**: Yes **Can be filtered**: eq, ne, lt, lte, gt, gte **Read-only**: Yes #### Posts (posts) **Description**: A list of posts in this category, referenced from the [Blog/Posts](https://dev.wix.com/docs/develop-websites/articles/wix-apps/wix-app-collections/other-apps/wix-blog/wix-blog-posts-collection-fields.md) collection. **Type**: Multiple-item reference **Can connect to data**: No **Can use in dynamic page URL**: No **Can be sorted**: No **Can be filtered**: Yes **Read-only**: Yes #### Language (language) **Description**: The category language. **Type**: Language **Can connect to data**: No **Can use in dynamic page URL**: No **Can be sorted**: No **Can be filtered**: Yes **Read-only**: Yes #### Translation ID (translationId) **Description**: ID of the category's translations.  **Type**: Text **Can connect to data**: Yes **Can use in dynamic page URL**: No **Can be sorted**: No **Can be filtered**: Yes **Read-only**: Yes #### Category Page Slug (categoryPageSlug) **Description**: The slug of the category page on your published site. **Type**: URL **Can connect to data**: Yes **Can use in dynamic page URL**: No **Can be sorted**: No **Can be filtered**: No **Read-only**: Yes #### Category Page URL (categoryPageUrl) **Description**: The URL of the category page on your published site. **Type**: URL **Can connect to data**: Yes **Can use in dynamic page URL**: No **Can be sorted**: No **Can be filtered**: No **Read-only**: Yes #### Cover Image (coverImage) **Description**: Category cover image. **Type**: Image **Can connect to data**: No **Can use in dynamic page URL**: No **Can be sorted**: No **Can be filtered**: No **Read-only**: Yes #### Description (description) **Description**: Category description. **Type**: Text **Can connect to data**: Yes **Can use in dynamic page URL**: No **Can be sorted**: No **Can be filtered**: No **Read-only**: Yes #### Slug (slug) **Description**: Slug of the category to retrieve. **Type**: Text **Can connect to data**: Yes **Can use in dynamic page URL**: Yes **Can be sorted**: No **Can be filtered**: No **Read-only**: Yes