PreviewAttachRollover

Rollover config for unused units. If set, unused included units carry over.

Fields

Field	Type	Required	Description
`max`	Optional[float]	➖	Max rollover units. Omit for unlimited rollover.
`expiry_duration_type`	models.PreviewAttachExpiryDurationType	✔️	When rolled over units expire.
`expiry_duration_length`	Optional[float]	➖	Number of periods before expiry.