This image is a screenshot of the Cloud Shell showing the following:

Login successful.
OCI Native Credential [MYOCICRED] creation successful.
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# Please be aware that it may take up 15 minutes to propagate your credentials to  #
# OCI Services. During this period of time your new credentials will not work.     #
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Proceed to run the Credential Scripts on another Autonomous Database? (y/n): n
Exiting...
To view PL/SQL script for creating credentials,

        execute: cat $HOME/oci_native_credential.sql
username@cloudshell:~ (us-ashburn-1)$