[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-09-04 (世界標準時間)。"],[],[],null,["# Resource types with built-in identities\n\nSome Google Cloud resources have [built-in\nidentities](/iam/docs/built-in-resource-identities). These identities let the resources act\nlike [principals](/iam/docs/principals-overview). As a result, resources with built-in identities\ncan do the following:\n\n- Be [granted IAM roles](/iam/docs/granting-changing-revoking-access) using the resource's principal identifier\n- Access other resources without using [service agents](/iam/docs/service-account-types#service-agents)\n\nPrincipal identifiers for single resources\n------------------------------------------\n\nThe following table lists the resource types that have built-in identities. It\nalso lists the accepted formats for the resource's principal identifier. Use one\nof the accepted formats for the principal identifier in your allow policies to\ngrant roles to the resource.\n\nPrincipal identifiers for sets of resources\n-------------------------------------------\n\nUse the following formats in your allow policies to grant roles to sets of\nresources with built-in identities:\n| **Note:** These principal sets don't include resources that don't have built-in identities."]]
