Misc

Change Auth Method at runtime

You can change the Auh Method used by the Engine at runtime like so

$engine->useAuthMethod('token')->getDilemma($problem);

Change Credentials at runtime

You can change the credentials to be used by the Engine at runtime like sa

$engine->usingCredentials('anotherCredentialName')->getDilemma($problem);

Custom Headers

If you want to pass custom Http Headers, to use in each API call to Watson:

$engine->appendHeaders(['X-foo' => 'Bar'])->getDilemma($problem);