# tBigtableConnection

Provides the connection configuration to Google Bigtable.

## tBigtableConnection Standard properties

These properties are used to configure tBigtableConnection running in the Standard Job framework.

The Standard tBigtableConnection component belongs to the Cloud family.

The component in this framework is available in all Talend products.

## Basic settings

| Properties | Description |
| --- | --- |
| Property Type | Select the way the connection details<br>will be set.<br><br><ul> <li> <p> <span>Built-In</span>: The connection details will be set                                locally for this component. You need to specify the values for all                                related connection properties manually.</p> </li> <li> <p> <span>Repository</span>: The connection details stored                                centrally in <span><span>Repository</span><abbr> &gt; </abbr><span>Metadata</span></span> will be reused by this component. </p> <p>You need to click                                the <span>[...]</span> button next to it and in the pop-up                                    <span>Repository Content</span> dialog box, select the                                connection details to be reused, and all related connection                                properties will be automatically filled in.</p> </li> </ul> |
| Project name | Enter the unique identifier of your Google Cloud Platform<br>project. This information is available on the Dashboard page of your<br>Google Cloud console. |
| Instance ID | Enter the permanent identifier of the Bigtable instance. |
| Authentication method | Select the mode to be used to authenticate to your project.<br><br><ul> <li> <span>Service account key</span>: authenticate using a Google                        account that is associated with your Google Cloud Platform project. When                        selecting this mode, the parameter to be defined is <span>Google                           credentials</span>.</li> <li> <span>Application Default Credentials</span>: authenticate using                        the Application Default Credentials. When selecting this mode, no additional                        parameters need to be defined as credentials are automatically found based                        on the application environment.</li> </ul><br><br>To know more about the Google Cloud authentication process, read [the Google Cloud documentation](https://cloud.google.com/docs/authentication/). |
| Google credentials | Paste the content of the JSON file that contains your service account key.<br><br>This property is only available when you authenticate using Service<br>account key. |

## Advanced settings

| Properties | Description |
| --- | --- |
| tStatCatcher Statistics | Select this check box to gather the Job processing metadata<br>at the Job level as well as at each component level. |

## Global Variables

| Variables | Description |
| --- | --- |
| ERROR\_MESSAGE | The error message generated by the component when an error<br>occurs. This is an After variable and it returns a string. |
| NB\_LINE | The number of rows processed. This is an After variable and<br>it returns an integer. |

## Usage

| Usage guidance | Description |
| --- | --- |
| **Usage rule** | This component is generally used with other Google Bigtable<br>components, particularly tBigtableClose. |