~~Title: OnStartup ~~ The **OnStartup** event can be implemented by a [[:scripting:script_add-ins|script add-in]] to receive notification when Opus starts up. $$ (#)**Method Name:** $$ OnStartup $$ (#)**Argument Type:** $$ **[[..:scripting_objects:startupdata|StartupData]]**  $$ (#)**Return Type:** $$ //none// $$ (#)**Description:** $$ This event is only triggered when Opus starts up, therefore only script add-ins that are already installed will receive it. If a script is installed when Opus is already running it won't receive **OnStartup** until the next time Opus is started.