[Table("rate")]
public class Rate : BaseModel
{
    [PrimaryKey("id", false)]
    public int Id { get; set; }

    [Column("name")]
    public string Name { get; set; }
 
    [Column("type")]
    public string Type {get; set; }
    
    [Reference(typeof(Supplier))
    public Supplier Supplier {get; set;}
}

[Table("supplier")]
public class Supplier : BaseModel
{
    [PrimaryKey("id")] //uuid 
    public string Id { get; set; }

    [Column("name")]
    public string Name { get; set; }
}

var result = await _client
      .From<Models.Rate>()
      .Get();