In the Identity and Access Management (IAM) allows you to control user and group access to your project's resources. This section describes the IAM permissions relevant to  and the IAM roles that grant those permissions. To access the IAM console, see

For more information on the service accounts used by  to manage security and permissions while running  jobs, see

Tools for manage IAM policies:

Google Cloud Console
gcloud CLI

Required Roles and Their Permissions

To use , the following roles are required. Below, you can review each required role, its purpose, and the permissions that are enabled by it.

RoleUsePermissions and roles

Enables a user to run in a project See below.


  • dataprep.projects.use

Enables the platform to access and modify datasets and storage and to run and manage jobs on behalf of the user within the project

NOTE: When the product is enabled within a project, this role is granted by the project owner as part of the enablement process. For more information, see Enable or Disable Dataprep.


  • storage.buckets.get
  • storage.buckets.list


  • roles/dataflow.developer
  • roles/bigquery.user
  • roles/bigquery.dataEditor
  • roles/storage.objectAdmin
  • roles/iam.serviceAccountUser

roles/dataprep.user IAM Role

All users of any version of  must be assigned the roles/dataprep.user IAM Role.

This role and its related permissions enable access to all data in a project. Other permissions do not apply.

Permissions for 

 provides additional capabilities for project users. The base set of permissions and some additional permissions are required. Below, you can review the required permissions for this product edition.



Read and write to BigQuery, including views and custom SQL:

Run  on :

Read and write to , the base storage for :

Feature Permissions

Additional permissions may be required to use specific features. Individual users may be required to permit  access when the feature is first used. 

 job cancellation

The following permission enables users to cancel their jobs in progress. It is not required for the product to work but may be helpful to add via IAM roles.

BigQuery publishing options

The following permission is not required to publish to BigQuery.

However, if the above permission is not granted to a user, that user can drop or truncate table data in BigQuery, only if one of the following permissions must be enabled in a user's account. 

Google Sheets access

For more information, see Import Google Sheets Data.

Additional Permissions for Cloud IAM

In addition to the IAM roles above, users must also be granted the following to enable data access based on their Cloud IAM:

These permissions ensure that users can access the appropriate data within .