Salesforce Custom Metadata Types vs Custom Settings: Choosing the Right Option

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Salesforce developers often mix up Custom Settings and Custom Metadata Types, though they store configuration differently. Custom Settings hold org-specific data that is not deployed with code, and their Hierarchy variant can vary values by profile or user. Custom Metadata Types are deployed as metadata through change sets, packages, and the Metadata API, so they move reliably between environments. Custom Metadata cannot be modified by Apex at runtime and has no per-user cascade, so it suits deployment-time settings only. The article recommends a simple rule: use Custom Metadata for stable configuration and Custom Settings or custom objects for values that change at runtime.

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