# knowledgeBaseTopicDetail

**Type:** GraphQL queries

## Arguments
- _id (String)

## Response
**Type:** KnowledgeBaseTopic
**Description:**
A knowledge base topic — the top-level organizational unit.
Topics are associated with a brand and contain categories of articles.
They can be styled with custom colors and background images.

### Fields
- _id (String)
- code (String): Unique code identifier for programmatic access.
- title (String): The topic title.
- description (String): Description of the topic.
- categories (KnowledgeBaseCategory): Categories within this topic.
- workspace (Workspace)
- color (String)
- backgroundImage (String): URL of the background image for the topic page.
- languageCode (String): ISO language code for the topic content (e.g. 'en', 'ar').
- createdBy (String): User ID of the topic creator.
- createdDate (Date): When this topic was created.
- modifiedBy (String): User ID of the last modifier.
- modifiedDate (Date): When this topic was last modified.
- parentCategories (KnowledgeBaseParentCategory): Top-level parent categories within this topic.