[ // Key is being used a prometheus key 'help' => 'Help text for metric', 'command' => 'The command to be run', 'jsonelem' => '0.metric', // The json element where the metric is found (Dot notated) ], 'app_demo_metric2' => [ 'help' => 'Help text for metric', 'httpurl' => 'http://example.com', // The url to get collected for the metric 'jsonelem' => '0.metric', ], ];