自定义角色是您为了定制一组满足具体组织要求的权限而创建的完全自定义的 IAM 角色。如需详细了解自定义角色，请参阅 Google Cloud 文档。
您可以使用特定于 Firebase 的权限及其他 Google Cloud 产品中的许多其他权限创建自定义角色。
自定义角色
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最后更新时间 (UTC)：2025-08-04。
[null,null,["最后更新时间 (UTC)：2025-08-04。"],[],[],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)."]]