Salesforce Integrations widgets require that the Salesforce instance you are connecting to has Cross-Origin Resource Sharing (CORS) permitted for your digital workplace.
How to Enable CORS for your workplace in Salesforce Client Server
- Log in to Salesforce with an admin account.
- Select Setup.
- On the left side, go to Administration Setup->Security Controls->CORS.
Authorize your workplace by adding your full workplace URL.
- Select Save.