*`autoscaling_group_name` - (Required) The name or Amazon Resource Name (ARN) of the Auto Scaling group.
*`scheduled_action_name` - (Required) The name of this scaling action.
*`start_time` - (Optional) The time for this action to start, in "YYYY-MM-DDThh:mm:ssZ" format in UTC/GMT only (for example, 2014-06-01T00:00:00Z ).
If you try to schedule your action in the past, Auto Scaling returns an error message.
*`end_time` - (Optional) The time for this action to end, in "YYYY-MM-DDThh:mm:ssZ" format in UTC/GMT only (for example, 2014-06-01T00:00:00Z ).
If you try to schedule your action in the past, Auto Scaling returns an error messag
*`recurrence` - (Optional) The time when recurring future actions will start. Start time is specified by the user following the Unix cron syntax format.
~> **NOTE:** When `start_time` and `end_time` are specified with `recurrence` , they form the boundaries of when the recurring action will start and stop.