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Click Save button on the Add Webhook popup to complete the setup at Paypal's end. You can get the Webhook ID as below. You need to save this value to configure in MetaFox site later.
Configuring PayPal Integration in MetaFox
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On the Edit Gateway popup you can fill in 2 settings of Client ID and , Client Secret and Webhook ID that you got above. Then save changes.
Enabling Sandbox Mode
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