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Use the Named Credential in a Callout

With the credential defined, you can use it in a callout without managing authentication details in your code.

Often, the external system provides the same functionality to all users. Here, we make a callout that converts a small bit of text to Markdown. This call doesn’t return different results for different users in the org.

When the external credential is configured with a per-user identity type, callouts automatically incorporate the context of the current user and pass their access token in the appropriate header. Here, the callout returns a list of GitHub Gists for the current user. Note that there’s no explicit handling of user context because that happens automatically.