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# GraphCategory ```ts /** * Graph catagories are used to categorize graph objects such as nodes or links. */ export declare class GraphCategory extends GraphMetadataContainer { /** * For internal use only. Instances should be created via * `GraphSchema.categories.getOrCreate()`. */ private constructor(); /** * Gets the unique id of the category. */ get id(): GraphCategoryIdLike; /** * Gets or sets the category this category is based on. */ get basedOn(): GraphCategory | undefined; set basedOn(value: GraphCategory | undefined); /** * Determines whether this category is based on the specified category. */ isBasedOn(category: GraphCategoryIdLike | GraphCategory): boolean; } ``` ### See Also * [GraphMetadataContainer](graphMetadataContainer.md) * [GraphCategoryCollection](graphCategoryCollection.md) * [GraphObject](graphObject.md) * [GraphCategoryIdLike](#graphcategoryidlike) * [Graph](graph.md) * [API Documentation](index.md) # GraphCategoryIdLike ```ts /** * Represents a valid id for a category. */ export declare type GraphCategoryIdLike = string | symbol; ``` ### See Also * [GraphCategory](#graphcategory) * [API Documentation](index.md)