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isSubtab() for Lightning Experience

Checks whether a tab is a subtab. This method works only in Lightning console apps.

Arguments

Name	Type	Description
tabId	string	ID of the tab.

Sample Code

This component has a button that checks whether the foucsed tab is a subtab and opens a modal with the answer.

Component code:

Controller code:

Response

This method returns a promise that, upon success, resolves to true if the tab is a subtab, and false otherwise.