I've added the column to the data:
var data = new google.visualization.DataTable();
data.addColumn('string', 'Task ID');
data.addColumn('string', 'Task Name');
data.addColumn('string', 'Resource');
data.addColumn('date', 'Start Date');
data.addColumn('date', 'End Date');
data.addColumn('number', 'Duration');
data.addColumn('number', 'Percent Complete');
data.addColumn('string', 'Dependencies');
* data.addColumn({type: 'string', role: 'tooltip'});*
I've added the extra data in the data.addRows([
['1', 'Title here', "Res", new Date(2016, 7, 2), new Date(2016, 10, 2),
0, 100, null, 'tooltip here']
]);
I've added it to the options:
var options = {
*tooltip: {isHtml: true)*
};
But I can't get anything but the default tooltip. I would like to remove
existing items from the tooltip and add custom items. What am I missing?
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