Omit empty fields

virtualization_interfaces.go

@@ -14,23 +14,23 @@ type VirtualizationInterfacesService service
 
 // NewVirtualizationInterface is used for creating a new virtualization interface
 type NewVirtualizationInterface struct {
-	CustomFields interface{} `json:"custom_fields"`
+	CustomFields *interface{} `json:"custom_fields,omitempty"`
 	Name         string       `json:"name"`
-	Mode         string      `json:"mode"`
-	Description  string      `json:"description"`
-	MACAddress   string      `json:"mac_address"`
-	Tags         []struct {
+	Mode         string       `json:"mode,omitempty"`
+	Description  string       `json:"description,omitempty"`
+	MACAddress   string       `json:"mac_address,omitempty"`
+	Tags         *[]struct {
 		Name  string `json:"name"`
 		Slug  string `json:"slug"`
 		Color string `json:"color"`
-	} `json:"tags"`
-	TaggedVLANs    []int `json:"tagged_vlans"`
-	Bridge         int   `json:"bridge"`
-	Parent         int   `json:"parent"`
-	UntaggedVLAN   int   `json:"untagged_vlan"`
-	MTU            int   `json:"mtu"`
+	} `json:"tags,omitempty"`
+	TaggedVLANs    *[]int `json:"tagged_vlans,omitempty"`
+	Bridge         int    `json:"bridge,omitempty"`
+	Parent         int    `json:"parent,omitempty"`
+	UntaggedVLAN   int    `json:"untagged_vlan,omitempty"`
+	MTU            int    `json:"mtu,omitempty"`
 	VirtualMachine int    `json:"virtual_machine"`
-	Enabled        bool  `json:"enabled"`
+	Enabled        bool   `json:"enabled,omitempty"`
 }
 
 // VirtualizationInterfaces is a list of interfaces