# Post Call Pop-up

Display your campaign on a sticky pop-up that shows up for Truecaller users after a call ends on the user's device. Leverage this touchpoint to reinforce your messaging with a highly engaging visual that appears immediately after the conversation, capturing user attention right when it matters. 

{% hint style="info" %}
To create the JSON payload structure needed for your webhook connectors, use the DIY Template Generator tool within the Verified Campaigns tab on the Truecaller for Business console. The tool helps you to create the appropriate template and 2 simple steps. 
{% endhint %}

**Below are the required payload parameters for each Template Style on the Universal ACS screen :**

**profile** section parameters are **Mandatory** for all webhook payloads :

* **campaign\_id** : External campaign reference ID
* **receiver\_number** : Phone numbers of the end user to whom the communication should be delivered.

**content** section parameters can vary based on display\_unit and template\_style as follows : *\* means mandatory*

| Template 1 - Text only | Template 2 - Image Banner only | Template 3 - Personalised content with image banner on left | Template 4 - Personalised content with image banner on right |
| ---------------------- | ------------------------------ | ----------------------------------------------------------- | ------------------------------------------------------------ |
| “display\_unit”\*      | “display\_unit”\*              | “display\_unit”\*                                           | “display\_unit”\*                                            |
| "title"\*              | "deeplink"\*                   | "title"\*                                                   | "title"\*                                                    |
| "sub\_title"\*         | "ttl"                          | "sub\_title"\*                                              | "sub\_title"\*                                               |
| "call\_to\_action"\*   |                                | "call\_to\_action"\*                                        | "call\_to\_action"\*                                         |
| "deeplink"\*           |                                | "deeplink"\*                                                | "deeplink"\*                                                 |
| "ttl"                  |                                | "ttl"                                                       | "ttl"                                                        |


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