omit empty.

module/task/task.go

@@ -15,15 +15,15 @@ type Data struct {
 }
 
 type Request struct {
-	ResourceSubtype string `json:"resource_subtype"`
+	ResourceSubtype string `json:"resource_subtype,omitempty"`
 	Assignee        string `json:"assignee"`
 	Name            string `json:"name"`
-	Completed       bool   `json:"completed"`
-	DueOn           string `json:"due_on"`
-	Liked           bool   `json:"linked"`
+	Completed       bool   `json:"completed,omitempty"`
+	DueOn           string `json:"due_on,omitempty"`
+	Liked           bool   `json:"linked,omitempty"`
 	// Notes refer to the content of each Ticket
 	Notes        string            `json:"notes"`
-	StartOn      string            `json:"start_on"`
+	StartOn      string            `json:"start_on,omitempty"`
 	CustomFields map[string]string `json:"custom_fields"`
 	Projects     []string          `json:"projects"`
 	Workspace    string            `json:"workspace"`