# Types: CollectionLookup to PostLookup (/themes/sdk/reference/data/types-2)
```ts
import { … } from '@poltura/theme-sdk/data';
```
## `CollectionLookup` [#collectionlookup]
Names one collection, by its URL segment or by its id.
```ts
type CollectionLookup = {
readonly handle: string;
} | {
readonly id: string;
}
```
## `ProductAttributeLookup` [#productattributelookup]
Selects what [`useProductAttributes`](/themes/sdk/reference/data/hooks-1#useproductattributes) reads: by key, or every attribute a category offers.
```ts
type ProductAttributeLookup = {
readonly handles: readonly string[];
} | {
readonly categoryId: string;
}
```
## `CollectionListPick` [#collectionlistpick]
One pick of a `collectionList` setting: a collection or a category by its URL segment.
## `CollectionListEntry` [#collectionlistentry]
A collection or category in a collection list.
## `ContentEntry` [#contententry]
A content page, blog post or guide as a setting points to it.
## `PostLookup` [#postlookup]
The value of a `post` setting: a blog post or a guide by its URL segment.