How to access your Facebook's Page ID :
1. Open your Facebook page.
2. Click the About tab.
3. Scroll down to the bottom of the Page Info section.
4. Next to "Facebook Page ID", you can find your Page ID
The client will also need to whitelist the domain. Kindly check the instruction below
1. Click Settings at the top of your Page. https://prnt.sc/1m4fxgg
2. Click Advanced Messaging on the left. https://prnt.sc/r89sp6
3. Edit whitelisted domains for you page in the Whitelisted Domain section. https://prnt.sc/r89sry
- Here are the list of domains to be whitelisted
- Preview Link
- Business’s Live Link (https://www.example.com/)
4. Add the domain then click the save button https://prnt.sc/r89sy8
Once we received the ID and the site is whitelisted, we can add this widget to their site
Also just wanted to inform you the following limitations:
Limitations:
• You can't choose which position you want to place the messenger icon.
• The customer chat widget is supported for desktop and mobile with the following exceptions where it is not supported:
- Internet Explorer
- Messenger in-app browsers