* `package_name`: Names the package that provides the `apt-add-repository` command. Valid options: a string. Defaults:
* Lucid and Precise: 'python-software-properties'
- * Trusty, Utopic, and Vivid: 'software-properties-common'
- * All others: undef
+ * Trusty and newer: 'software-properties-common'
+ * All others: 'python-software-properties'
* `release`: *Optional if lsb-release is installed (unless you're using a different release than indicated by lsb-release, e.g., Linux Mint).* Specifies the operating system of your node. Valid options: a string containing a valid LSB distribution codename. Default: "$lsbdistcodename".
* `trusted_source`: Specifies whether to authenticate packages from this release, even if the Release file is not signed or the signature can't be checked. Valid options: 'true' and 'false'. Default: undef. This parameter is **deprecated** and will be removed in a future version of the module.
+* `notify_update`: *Optional.* Specifies whether to trigger an `apt-get update` run. Valid options: 'true' and 'false'. Default: 'true'.
+
#### Type: `apt_key`
Manages the GPG keys that Apt uses to authenticate packages.