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Custom roles are fully customized IAM roles that you create to tailor a set
of permissions that meet the specific requirements of your organization. Learn
more about custom roles
in the Google Cloud documentation.
[null,null,["Last updated 2025-08-28 UTC."],[],[],null,["**Custom roles** are fully customized IAM roles that you create to tailor a set\nof permissions that meet the specific requirements of your organization. Learn\nmore about [custom roles](//cloud.google.com/iam/docs/understanding-custom-roles)\nin the Google Cloud documentation.\n\nUse [Firebase-specific permissions](/docs/projects/iam/permissions#product-permissions),\nplus many other permissions across\n[other Google Cloud products](//cloud.google.com/iam/docs/understanding-custom-roles#MoreIAMDocumentation),\nto\n[create custom roles](//cloud.google.com/iam/docs/creating-custom-roles).\n| Firebase custom roles require several specific permissions to work as intended. To ensure that you include all necessary permissions in your custom role, review the sections about *required permissions* on the [Firebase IAM permissions page](/docs/projects/iam/permissions)."]]
