Google Authenticator (Deprecated)

This Node Is Deprecated — This node is kept for backwards-compatibility, but the usage in new workflows is no longer recommended. The documentation below might contain more information.
This nodes authenticates to Google services specified in the node settings.

Authentication happens in the configuration window. By default, credentials are stored in memory. Custom credentials can be set in the configuration window. A custom credential location is useful for sharing the credentials via a KNIME Server or for exposing the user credentials.

After choosing the credential location, one must authenticate using the "Authenticate" button. A pop-up will appear that asks the user to grant access to the selected scopes. If you have already authenticated, the "Authenticate" will test the stored credentials in the selected location. Credentials can be manually deleted by clicking on the "Clear Selected Credentials" button.

Access can be revoked at any time by visiting

For details see:


Clicking on this button will open a dialog for authenticating with Google services. If you are already authenticated, it will verify the stored credentials in the selected location.

Describes the state of the authentication.

Credential Location
This option determines where the credentials received during authentication will be stored.

The authentication credentials will be kept in memory. They are discarded when exiting KNIME.


The authentication credentials will be saved in separate file in the given directory.
Select Directory
The directory to which the credentials should be saved.


The authentication credentials will be saved in the node settings.

Scopes used to authenticate with Google. These can be selected according to the nodes that should be used with the Google connection.
All scopes

Selects all scopes, so the credentials can be used with all available Google Connection nodes.

Input Ports

This node has no input ports

Output Ports

A connection that can be used to access various Google services.


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