outgoingcallerids.go
func (c *OutgoingCallerIDService) Create(ctx context.Context, data url.Values) (*CallerIDRequest, error) {
	id := new(CallerIDRequest)
	err := c.client.CreateResource(ctx, callerIDPathPart, data, id)
	return id, err
}
func (c *OutgoingCallerIDService) Create(ctx context.Context, data url.Values) (*CallerIDRequest, error) {
	id := new(CallerIDRequest)
	err := c.client.CreateResource(ctx, callerIDPathPart, data, id)
	return id, err
}
// Create a new OutgoingCallerID. Note the ValidationCode is only returned in
// response to a Create, you can't retrieve it later.
//
// https://www.twilio.com/docs/api/rest/outgoing-caller-ids#list-post