The Availability Zone.
The instance type.
A general description of the AMI.
The maximum price per unit hour that you are willing to pay for a Spot Instance. We do not recommend using this parameter because it can lead to increased interruptions. If you do not specify this parameter, you will pay the current Spot price.
The date and time the request was created, in UTC format (for example, YYYY-MM-DDTHH:MM:SSZ).