| Name | Type | Description | Notes |
|---|---|---|---|
| ctwa_clid | string | Meta's GCLID-equivalent click identifier. | [optional] |
| source_id | string | [optional] | |
| source_type | string | [optional] | |
| source_url | string | [optional] | |
| headline | string | [optional] | |
| body | string | [optional] | |
| media_type | string | [optional] | |
| image_url | string | [optional] | |
| video_url | string | [optional] | |
| thumbnail_url | string | [optional] | |
| ad_id | string | Facebook Messenger CTM / Instagram CTD only. The Meta ad ID the user clicked to start the conversation. | [optional] |
| ref | string | Optional `ref` parameter passed through from the Meta ad creative. Facebook Messenger CTM / Instagram CTD only. | [optional] |
| source | string | Meta-supplied source identifier (e.g. `ADS`). Facebook Messenger CTM / Instagram CTD only. | [optional] |
| type | string | Meta-supplied referral type (e.g. `OPEN_THREAD`). Facebook Messenger CTM / Instagram CTD only. | [optional] |
| ads_context_data | \Zernio\Model\WebhookPayloadMessageMetadataReferralAdsContextData | [optional] |