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This function launches a given navigation item as a tab in the portal. The item will launch using the settings that have been configured for it in the Add/Update navigation item form.

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• itemId: (required) a string containing the Atrium ID attribute from the launched action.
• closable: (optional) a Boolean value that indicates if the tab should contain a close button. Pass true for a tab with a close button, or false for a tab without a close button. This value defaults to true, if not specified. 
• callback - (optional) a function that will be called after the tab has been created. The callback contains two parameters as well, success and tab.
  • Success - a Boolean that represents if the tab was created properly. The value will be true for success, false if an error occurred.
  • Tab - a reference to the tab object being launched. 
• parm: (optional) a value to override the Atrium Item parameter value

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Example:

The following snippet will launch a closable tab with the id of 330 with an override parameter value of "Some other value".

Atrium.launchItem({
 itemId: 330,
 parm: "Some other value"
})

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