Option A is correct because Remote Engagement with Twilio uses Salesforce named and external credentials, and users need access to the external credential principal to use those credentials. Salesforce Help for configuring Twilio credentials in Life Sciences Remote Engagement states that the Life Sciences Customer Engagement managed package includes the named and external credentials for Twilio. The same Salesforce Help result specifically references selecting External Credential Principal Access as part of the setup. This aligns directly with the error: the field sales rep cannot access the video service credentials, even though the Life Sciences Field Sales Representative permission set has been verified.

Option B is incorrect because the solution is not to manually provide the rep with a Twilio authentication token. That approach would be insecure and inconsistent with Salesforce’s named/external credential model. Credentials should be managed centrally through Salesforce configuration, not distributed directly to end users. Option C is also incorrect because “Twilio Users Public Group” is not the documented permission mechanism for accessing the video service credentials in Life Sciences Cloud Remote Engagement.

Salesforce’s broader named credential security documentation also explains that external credential principals can be mapped to permission sets and profiles so users can make callouts to external systems with the right access. That supports the need to grant External Credential Principal Access rather than changing the rep’s profile or sharing tokens manually.

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