<p><b>@danpetry</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/10622#discussion_r247509003">doc/memos/rdm-draft-alamos-lanzieri-runtime-configuration-architecture.md</a>:</p>
<pre style='color:#555'>> +
+### Get, set, apply and export configurations
+At any time, the application or the configuration manager can _retrieve_ a
+configuration value (`registry_get_value`), _set_ a configuration value
+(`registry_set_value`), _apply_ configuration changes (`registry_commit`) or
+_export_ configurations using a user-defined callback function
+(`registry_export`).
+
+Note these functions don't interact with SF, so
+configuration changes are not reflected in the non-volatile storage devices
+unless `registry_store` is called (see [Load and store configurations][#5.3 Load and store configurations])
+
+The following diagram shows the process of each function. It's assumed there
+are 2 RH registered in the RIOT Registry: a _cord_ configuration
+group with a Resource Directory Server IP Address (`rd_ip_addr`) and an
+_Application_ configuration group with a `foo` configuration parameter.
</pre>
<p>ok, if someone else thinks so sounds good to me</p>

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