Genesys Cloud enables activation of Salesforce External Contact Sync integration through the IT and Integrations menu. To activate the integration, users navigate to Menu > IT and Integrations > Integrations, locate the desired integration in the status column, toggle the Status to Active, and confirm the action by clicking Yes. Upon activation, triggered syncs automatically occur. This integration facilitates synchronization of external contacts between Genesys Cloud and Salesforce, supporting interaction attribute mapping with Salesforce activity records and external routing configuration within Salesforce Service Cloud.