The command patch can be used to update selected attributes of a Synthetic credential, only one attribute can be patched each time.
synctl patch cred <cred-name> [options]
-h, --help show this help message and exit
--verify-tls verify tls certificate
--value <value> set credential value
--apps, --applications [<id> ...] set multiple applications
--websites <id> [<id> ...] set websites
--mobile-apps <id> [<id> ...] set mobile appliactions
synctl patch cred swecred --value <value>
synctl patch cred <cred-name> --applications/--apps "$APPLICATION1" "$APPLICATION2" "$APPLICATION3" ..."
synctl patch cred <cred-name> --websites "$WEBSITE1" "$WEBSITE2" ...
synctl patch cred <cred-name> --mobile-applications/--mobile-apps "$APPLICATION1" "$APPLICATION2" "$APPLICATION3" ..."