> ## Documentation Index
> Fetch the complete documentation index at: https://developers.redo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CampaignFollowUpConfig

> Follow-up email settings when the merchant enabled one.

<ResponseField name="delayMs" type="Float">
  Delay after the original send before the follow-up goes out.
</ResponseField>

<ResponseField name="enabled" type="Boolean!" required>
  Whether a follow-up send is configured.
</ResponseField>

<ResponseField name="engagementPeriod" type={<a href="/docs/api-reference/v3/reference/marketing/campaign-follow-up-engagement-period">CampaignFollowUpEngagementPeriod</a>}>
  Engagement window, in days, used to pick recipients.
</ResponseField>

<ResponseField name="originalCampaignLegacyId" type="String">
  Legacy Mongo ObjectId of the campaign this follow-up was created from.
</ResponseField>

<ResponseField name="subjectLine" type="String">
  Subject line for the follow-up email.
</ResponseField>


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