import (
    "github.com/namecheap/go-namecheap-sdk/v2"
)

client := NewClient(&ClientOptions{
    UserName:   "UserName",
    ApiUser:    "ApiUser",
    ApiKey:     "ApiKey",
    ClientIp:   "10.10.10.10",
    UseSandbox: false,
})

setHostsResp, err := client.DomainsDNS.SetHosts(&namecheap.DomainsDNSSetHostsArgs{
    Domain: namecheap.String("domain.com"),
    Records: &[]namecheap.DomainsDNSHostRecord{
        {
            HostName:   namecheap.String("blog"),
            RecordType: namecheap.String("A"),
            Address:    namecheap.String("11.12.13.14"),
        },
    },
})

// ...

response, err := client.DomainsDNS.GetHosts("domain.com")

// ...