This documentation is for EF Core. For EF6.x, see Entity Framework 6.
This extension is not maintained as part of the Entity Framework Core project. When considering a third party extension, be sure to evaluate quality, licensing, support, etc. to ensure they meet your requirements.
Dynamic Linq extensions for Microsoft.EntityFrameworkCore which adds Async support
The following resource will help you get started with Microsoft.EntityFrameworkCore.DynamicLinq.