---
title: BigQuery
slug: /connectors/database/bigquery/create-credentials
---

# Create custom role in GCP

This documentation will guide you on how to create a custom role in GCP with the necessary permissions to ingest BigQuery in OpenMetadata.

## Step 1: Navigate to Roles

Search for `Roles` in your GCP console and select the first result under `IAM & Roles` section.

{% image
src="/images/v1.4/connectors/bigquery/create-role-1.png"
alt="Navigate to Roles"
caption="Navigate to Roles" /%}


## Step 2: Create Role & Add Permissions

Below the search bar you should see a `Create Role` button click on that & navigate to create role page.


{% image
src="/images/v1.4/connectors/bigquery/create-role-2.png"
alt="Create Role Button"
caption="Create Role" /%}



Once You are on the create role page, you can edit the description & title of the role and finally you can click on `add permissions` to grant permissions to role.

{% image
src="/images/v1.4/connectors/bigquery/create-role-3.png"
alt="Create Role"
caption="Create Role" /%}


You can search for the required permissions in the filter box and add them accordingly. To ingest metadata from BigQuery you need to grant the following permissions to the user.



| #    | GCP Permission                | Required For            |
| :--- | :---------------------------- | :---------------------- |
| 1    | bigquery.datasets.get         | Metadata Ingestion      |
| 2    | bigquery.tables.get           | Metadata Ingestion      |
| 3    | bigquery.tables.getData       | Metadata Ingestion      |
| 4    | bigquery.tables.list          | Metadata Ingestion      |
| 5    | resourcemanager.projects.get  | Metadata Ingestion      |
| 6    | bigquery.jobs.create          | Metadata Ingestion      |
| 7    | bigquery.jobs.listAll         | Metadata Ingestion      |
| 8    | bigquery.routines.get         | Stored Procedure        |
| 9    | bigquery.routines.list        | Stored Procedure        |
| 10   | datacatalog.taxonomies.get    | Fetch Policy Tags       |
| 11   | datacatalog.taxonomies.list   | Fetch Policy Tags       |
| 12   | bigquery.readsessions.create  | Bigquery Usage & Lineage Workflow |
| 13   | bigquery.readsessions.getData | Bigquery Usage & Lineage Workflow |
| 14   | logging.operations.list       | Incremental Metadata Ingestion    |

{% image
src="/images/v1.4/connectors/bigquery/create-role-4.png"
alt="Add Permissions"
caption="Add Permissions" /%}

Once you have added all the required permissions, you can create the role by clicking on the create button. 

{% image
src="/images/v1.4/connectors/bigquery/create-role-5.png"
alt="Add Permissions"
caption="Add Permissions" /%}

# Create Service Account & Credential 

This documentation will guide you on how to create a service account in GCP and create credentials to access the same.


## Navigate to Service Accounts

Login to your GCP console and navigate to service accounts page.

{% image
src="/images/v1.4/connectors/bigquery/bq-service-account-search.png"
alt="Navigate to Service Accounts"
caption="Navigate to Service Accounts" /%}


## Create Service Account & Grant Role

Once you are on service account page, click on `Create Service Account` button.

{% image
src="/images/v1.4/connectors/bigquery/bq-create-service-account.png"
alt="Create Service Accounts"
caption="Create Service Accounts" /%}

Fill the service account details 

{% image
src="/images/v1.4/connectors/bigquery/bq-create-service-account-1.png"
alt="Create Service Accounts"
caption="Create Service Accounts" /%}

Grant a role to service account which has all the required permission to ingest BigQuery metadata in OpenMetadata checkout [this](/connectors/database/bigquery/roles) documentation for details on how to create a custom role with required permissions.

{% image
src="/images/v1.4/connectors/bigquery/bq-service-account-grant-role.png"
alt="Grant Role to Service Account"
caption="Grant Role to Service Account" /%}


## Create Key Credentials

On service accounts page, look for the service account that you just created, click on the three dots menu and go to manage keys

{% image
src="/images/v1.4/connectors/bigquery/bq-service-account-manage-keys.png"
alt="Service Account Manage Keys"
caption="Service Account Manage Keys" /%}


Click on Add Key > New Key > Select Json and download the key.

{% image
src="/images/v1.4/connectors/bigquery/bq-create-service-account-key.png"
alt="Create New Key"
caption="Create New Key" /%}

{% image
src="/images/v1.4/connectors/bigquery/bq-create-key-modal.png"
alt="Download json Key"
caption="Download json Key" /%}

Open this downloaded key and you will get all the required credentials details to fetch metadata from Bigquery.