Filter content to get what you need

// Gets an item by its internal ID
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new EqualsFilter("system.id", "2f7288a1-cfc8-47be-9bf1-b1d312f7da18")
);

// Gets three items by their codenames. The codenames are unique per project.
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new InFilter("system.codename", "delivery_api", "get_content", "hello_world")
);

// Gets items based on the type Product
IDeliveryItemListingResponse<Product> response = await deliveryClient.GetItemsAsync<Product>(
    new EqualsFilter("system.type", "product")
);

// Gets items based on the types Product, Article, and News
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new InFilter("system.type", "product", "article", "news")
);

// Note: Date & time element values are provided by users and stored with minute precision. The system.last_modified value reflects Last content change to an item and is stored with ms precision.
// Gets items modified after April 9 2020, 9 am UTC+0
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new GreaterThanFilter("system.last_modified", "2020-05-09T09:00:00.000000Z")
);

// Gets items released at or after April 9 2020, 7 am UTC+0
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new GreaterThanOrEqualFilter("elements.release_date", "2020-05-09T07:00:00Z")
);

// Gets items modified before April 5 2020 UTC+0. Last match would be at 2020-05-04T23:59:59.
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
  new LessThanFilter("system.last_modified", "2020-05-05")
);

// Gets items released at or before April 5 2020 10:30 am UTC+0
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
  new LessThanOrEqualFilter("elements.release_date", "2020-05-05T10:30:00Z")
);

// Gets items whose Title element value equals to "Hello World" 
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new EqualsFilter("elements.title", "Hello World")
);

// Note: Filters work with codenames of the tags.
// Gets items tagged with one specific tag
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new ContainsFilter("elements.tags", "kontent_ai")
);

// Gets items tagged with a list of specific tags
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new AllFilter("elements.tags", "kontent_ai", "cms")
);

// Gets items tagged with at least one tag from the list
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new AnyFilter("elements.tags", "headless", "cms")
);

// Gets items in default language with the URL slug element equal to 'sample-url-slug'
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new EqualsFilter("elements.url_slug", "sample-url-slug")
);

// Note: Date & time element values are provided by users and stored with minute precision. The system.last_modified value reflects Last content change to an item and is stored with ms precision.
// Gets items modified between April 5, 2020 10:30 UTC and April 7, 2020, 7:00 UTC
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new RangeFilter("system.last_modified", "2020-05-05T10:30:00", "2020-05-07T07:00:00")
);

// Gets items whose rating is at least 6.5 and at most 9
IDeliveryItemListingResponse<object> response = await deliveryClient.GetItemsAsync<object>(
    new RangeFilter("elements.product_rating", "6.5", "9")
);