QueryFilter filter = new QueryFilter(); filter.AddCondition("age", ComparisonOperator.GreaterThanOrEqual, 18);
QueryFilter filter = new QueryFilter(); filter.AddCondition("userId", ComparisonOperator.Equal, "1234");This code creates a new QueryFilter object and uses the AddCondition method to add a condition to the filter. The condition specifies that the value of the "userId" field must be equal to "1234". The package library used with QueryFilter can vary depending on the specific implementation and use case. Some common libraries used with QueryFilter include the Microsoft.AspNetCore.OData library and the System.Linq.Dynamic library.