onBeforeTaskDisplay

fires after the tasks have been loaded to the Gantt chart, but before they are displayed

id	string|number	the task id
task	Task	the task object

boolean

defines whether the default action of the event will be triggered (true) or canceled (false)

Example

gantt.attachEvent("onBeforeTaskDisplay", function(id, task){
    if (task.priority == "high"){
        return true;
    }
    return false;
});

The event is blockable. Returning false will prevent the task from being displayed

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