openemr/tests/eventdispatcher/PatientFilterEventHookTest

**Summary**

This is an example module that demonstrates the capability of event hooks with regards
to the patient filter and access to patient demographics

**Setup**

Copy the entire UserPatientBlacklist directory into interface/modules/zend_modules/module

Then you will be able to register the module.

**Installation**

1. Browse to Modules > Manage Modules
2. Click "Unregistered" Tab
3. Click "Register" button next to UserPatientBlacklist module, which will be near the bottom
4. You'll automatically be redirected to the "Registered tab" 
5. Click "Install" button next to UserPatientBlacklist module
6. Click "Enable" button next to UserPatientBlacklist module

**Usage**

edit the file in UserPatientBlacklist/vonfig/blacklist.php to include the usernames of users 
and PIDs to restrict access to those patients for those users.

Try using the patient finder and see that when logged in as a user, the patients in your blacklist
will not appear in the finder. You will also receive an "unauthorized" message when attempting to
view or update the patient demographics screen.