Document how to change base_url for CustomerIO adapter (#987)

* Document how to change base_url for CustomerIO adapter * Update customer_io.ex --------- Co-authored-by: Po Chen <[email protected]>
swoosh · Dec 30, 2024 · 3e93ae6 · 3e93ae6
1 parent d33e37a
commit 3e93ae6
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diff --git a/lib/swoosh/adapters/customer_io.ex b/lib/swoosh/adapters/customer_io.ex
@@ -20,6 +20,15 @@ defmodule Swoosh.Adapters.CustomerIO do
         use Swoosh.Mailer, otp_app: :sample
       end
 
+  You can also change the API host, which defaults to `https://api.customer.io/v1`. For example, if
+  your Customer.io account is configured to use their EU datacenter:
+
+      # config/config.exs
+      config :sample, Sample.Mailer,
+        base_url: "https://api-eu.customer.io/v1"
+
+  This can also be provided to `deliver/2` on a case-by-case basis.
+
   ## Using with provider options
 
       import Swoosh.Email