> For the complete documentation index, see [llms.txt](https://docs.hackle.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hackle.io/en/crm-marketing/push-message-guide/recommended-templates/reenter.md).

# (x) Re-engagement Campaign

If you're unsure about which campaign to run and how to set it up, refer to this template document.

We recommend cohorts for setting campaign targets by target and purpose, along with appropriate send types for each message. Replace the event keys with those used in your actual workspace.

* For a detailed guide on creating cohorts 👉 [Create Cohort](/en/cohort/create.md)
* For a detailed guide on sending push messages 👉 [Sending Push Messages](/en/crm-marketing/push-message-guide/send.md)

***

## Review Writing Encouragement Campaign

#### Target & Purpose

Nudge customers who have completed a purchase but have not written a review to leave a review after a specific period.

#### Content

Encourage review writing and announce review writing benefits.

#### Message Examples

![](/files/JALHXJN8DuOyK7rJrn0Y)

#### Cohort

* **Cohort setup example**: Funnel type cohort
  * **Required events**: complete\_order (purchase complete), complete\_review (review writing complete)

![](/files/Cf2Ii1kcTRcdroiUkv0g)

#### Message Content

* **Personalized message example**: User properties
  * **Required properties**: name (user name), product\_name (product name)

![](/files/ra6mmIoTQZUgfc3sqbJM)

#### Send Settings

* **Send type**: Event-based
  * **Required event**: complete\_order (purchase complete)
  * **Wait time**: Send 7 days after event occurs

## Period


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