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<h1><a href="pubsub_v1.html">Google Cloud Pub/Sub API</a> . <a href="pubsub_v1.projects.html">projects</a> . <a href="pubsub_v1.projects.snapshots.html">snapshots</a></h1>
<h2>Instance Methods</h2>
<p class="toc_element">
  <code><a href="#getIamPolicy">getIamPolicy(resource=None, x__xgafv=None)</a></code></p>
<p class="firstline">Gets the access control policy for a resource.</p>
<p class="toc_element">
  <code><a href="#setIamPolicy">setIamPolicy(resource=None, body, x__xgafv=None)</a></code></p>
<p class="firstline">Sets the access control policy on the specified resource. Replaces any</p>
<p class="toc_element">
  <code><a href="#testIamPermissions">testIamPermissions(resource=None, body, x__xgafv=None)</a></code></p>
<p class="firstline">Returns permissions that a caller has on the specified resource.</p>
<h3>Method Details</h3>
<div class="method">
    <code class="details" id="getIamPolicy">getIamPolicy(resource=None, x__xgafv=None)</code>
  <pre>Gets the access control policy for a resource.
Returns an empty policy if the resource exists and does not have a policy
set.

Args:
  resource: string, REQUIRED: The resource for which the policy is being requested.
`resource` is usually specified as a path. For example, a Project
resource is specified as `projects/{project}`. (required)
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Defines an Identity and Access Management (IAM) policy. It is used to
      # specify access control policies for Cloud Platform resources.
      #
      #
      # A `Policy` consists of a list of `bindings`. A `Binding` binds a list of
      # `members` to a `role`, where the members can be user accounts, Google groups,
      # Google domains, and service accounts. A `role` is a named list of permissions
      # defined by IAM.
      #
      # **Example**
      #
      #     {
      #       "bindings": [
      #         {
      #           "role": "roles/owner",
      #           "members": [
      #             "user:mike@example.com",
      #             "group:admins@example.com",
      #             "domain:google.com",
      #             "serviceAccount:my-other-app@appspot.gserviceaccount.com",
      #           ]
      #         },
      #         {
      #           "role": "roles/viewer",
      #           "members": ["user:sean@example.com"]
      #         }
      #       ]
      #     }
      #
      # For a description of IAM and its features, see the
      # [IAM developer's guide](https://cloud.google.com/iam).
    "bindings": [ # Associates a list of `members` to a `role`.
        # Multiple `bindings` must not be specified for the same `role`.
        # `bindings` with no members will result in an error.
      { # Associates `members` with a `role`.
        "role": "A String", # Role that is assigned to `members`.
            # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
            # Required
        "members": [ # Specifies the identities requesting access for a Cloud Platform resource.
            # `members` can have the following values:
            #
            # * `allUsers`: A special identifier that represents anyone who is
            #    on the internet; with or without a Google account.
            #
            # * `allAuthenticatedUsers`: A special identifier that represents anyone
            #    who is authenticated with a Google account or a service account.
            #
            # * `user:{emailid}`: An email address that represents a specific Google
            #    account. For example, `alice@gmail.com` or `joe@example.com`.
            #
            #
            # * `serviceAccount:{emailid}`: An email address that represents a service
            #    account. For example, `my-other-app@appspot.gserviceaccount.com`.
            #
            # * `group:{emailid}`: An email address that represents a Google group.
            #    For example, `admins@example.com`.
            #
            # * `domain:{domain}`: A Google Apps domain name that represents all the
            #    users of that domain. For example, `google.com` or `example.com`.
            #
          "A String",
        ],
      },
    ],
    "etag": "A String", # `etag` is used for optimistic concurrency control as a way to help
        # prevent simultaneous updates of a policy from overwriting each other.
        # It is strongly suggested that systems make use of the `etag` in the
        # read-modify-write cycle to perform policy updates in order to avoid race
        # conditions: An `etag` is returned in the response to `getIamPolicy`, and
        # systems are expected to put that etag in the request to `setIamPolicy` to
        # ensure that their change will be applied to the same version of the policy.
        #
        # If no `etag` is provided in the call to `setIamPolicy`, then the existing
        # policy is overwritten blindly.
    "version": 42, # Version of the `Policy`. The default version is 0.
  }</pre>
</div>

<div class="method">
    <code class="details" id="setIamPolicy">setIamPolicy(resource=None, body, x__xgafv=None)</code>
  <pre>Sets the access control policy on the specified resource. Replaces any
existing policy.

Args:
  resource: string, REQUIRED: The resource for which the policy is being specified.
`resource` is usually specified as a path. For example, a Project
resource is specified as `projects/{project}`. (required)
  body: object, The request body. (required)
    The object takes the form of:

{ # Request message for `SetIamPolicy` method.
    "policy": { # Defines an Identity and Access Management (IAM) policy. It is used to # REQUIRED: The complete policy to be applied to the `resource`. The size of
        # the policy is limited to a few 10s of KB. An empty policy is a
        # valid policy but certain Cloud Platform services (such as Projects)
        # might reject them.
        # specify access control policies for Cloud Platform resources.
        #
        #
        # A `Policy` consists of a list of `bindings`. A `Binding` binds a list of
        # `members` to a `role`, where the members can be user accounts, Google groups,
        # Google domains, and service accounts. A `role` is a named list of permissions
        # defined by IAM.
        #
        # **Example**
        #
        #     {
        #       "bindings": [
        #         {
        #           "role": "roles/owner",
        #           "members": [
        #             "user:mike@example.com",
        #             "group:admins@example.com",
        #             "domain:google.com",
        #             "serviceAccount:my-other-app@appspot.gserviceaccount.com",
        #           ]
        #         },
        #         {
        #           "role": "roles/viewer",
        #           "members": ["user:sean@example.com"]
        #         }
        #       ]
        #     }
        #
        # For a description of IAM and its features, see the
        # [IAM developer's guide](https://cloud.google.com/iam).
      "bindings": [ # Associates a list of `members` to a `role`.
          # Multiple `bindings` must not be specified for the same `role`.
          # `bindings` with no members will result in an error.
        { # Associates `members` with a `role`.
          "role": "A String", # Role that is assigned to `members`.
              # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
              # Required
          "members": [ # Specifies the identities requesting access for a Cloud Platform resource.
              # `members` can have the following values:
              #
              # * `allUsers`: A special identifier that represents anyone who is
              #    on the internet; with or without a Google account.
              #
              # * `allAuthenticatedUsers`: A special identifier that represents anyone
              #    who is authenticated with a Google account or a service account.
              #
              # * `user:{emailid}`: An email address that represents a specific Google
              #    account. For example, `alice@gmail.com` or `joe@example.com`.
              #
              #
              # * `serviceAccount:{emailid}`: An email address that represents a service
              #    account. For example, `my-other-app@appspot.gserviceaccount.com`.
              #
              # * `group:{emailid}`: An email address that represents a Google group.
              #    For example, `admins@example.com`.
              #
              # * `domain:{domain}`: A Google Apps domain name that represents all the
              #    users of that domain. For example, `google.com` or `example.com`.
              #
            "A String",
          ],
        },
      ],
      "etag": "A String", # `etag` is used for optimistic concurrency control as a way to help
          # prevent simultaneous updates of a policy from overwriting each other.
          # It is strongly suggested that systems make use of the `etag` in the
          # read-modify-write cycle to perform policy updates in order to avoid race
          # conditions: An `etag` is returned in the response to `getIamPolicy`, and
          # systems are expected to put that etag in the request to `setIamPolicy` to
          # ensure that their change will be applied to the same version of the policy.
          #
          # If no `etag` is provided in the call to `setIamPolicy`, then the existing
          # policy is overwritten blindly.
      "version": 42, # Version of the `Policy`. The default version is 0.
    },
  }

  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Defines an Identity and Access Management (IAM) policy. It is used to
      # specify access control policies for Cloud Platform resources.
      #
      #
      # A `Policy` consists of a list of `bindings`. A `Binding` binds a list of
      # `members` to a `role`, where the members can be user accounts, Google groups,
      # Google domains, and service accounts. A `role` is a named list of permissions
      # defined by IAM.
      #
      # **Example**
      #
      #     {
      #       "bindings": [
      #         {
      #           "role": "roles/owner",
      #           "members": [
      #             "user:mike@example.com",
      #             "group:admins@example.com",
      #             "domain:google.com",
      #             "serviceAccount:my-other-app@appspot.gserviceaccount.com",
      #           ]
      #         },
      #         {
      #           "role": "roles/viewer",
      #           "members": ["user:sean@example.com"]
      #         }
      #       ]
      #     }
      #
      # For a description of IAM and its features, see the
      # [IAM developer's guide](https://cloud.google.com/iam).
    "bindings": [ # Associates a list of `members` to a `role`.
        # Multiple `bindings` must not be specified for the same `role`.
        # `bindings` with no members will result in an error.
      { # Associates `members` with a `role`.
        "role": "A String", # Role that is assigned to `members`.
            # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
            # Required
        "members": [ # Specifies the identities requesting access for a Cloud Platform resource.
            # `members` can have the following values:
            #
            # * `allUsers`: A special identifier that represents anyone who is
            #    on the internet; with or without a Google account.
            #
            # * `allAuthenticatedUsers`: A special identifier that represents anyone
            #    who is authenticated with a Google account or a service account.
            #
            # * `user:{emailid}`: An email address that represents a specific Google
            #    account. For example, `alice@gmail.com` or `joe@example.com`.
            #
            #
            # * `serviceAccount:{emailid}`: An email address that represents a service
            #    account. For example, `my-other-app@appspot.gserviceaccount.com`.
            #
            # * `group:{emailid}`: An email address that represents a Google group.
            #    For example, `admins@example.com`.
            #
            # * `domain:{domain}`: A Google Apps domain name that represents all the
            #    users of that domain. For example, `google.com` or `example.com`.
            #
          "A String",
        ],
      },
    ],
    "etag": "A String", # `etag` is used for optimistic concurrency control as a way to help
        # prevent simultaneous updates of a policy from overwriting each other.
        # It is strongly suggested that systems make use of the `etag` in the
        # read-modify-write cycle to perform policy updates in order to avoid race
        # conditions: An `etag` is returned in the response to `getIamPolicy`, and
        # systems are expected to put that etag in the request to `setIamPolicy` to
        # ensure that their change will be applied to the same version of the policy.
        #
        # If no `etag` is provided in the call to `setIamPolicy`, then the existing
        # policy is overwritten blindly.
    "version": 42, # Version of the `Policy`. The default version is 0.
  }</pre>
</div>

<div class="method">
    <code class="details" id="testIamPermissions">testIamPermissions(resource=None, body, x__xgafv=None)</code>
  <pre>Returns permissions that a caller has on the specified resource.
If the resource does not exist, this will return an empty set of
permissions, not a NOT_FOUND error.

Args:
  resource: string, REQUIRED: The resource for which the policy detail is being requested.
`resource` is usually specified as a path. For example, a Project
resource is specified as `projects/{project}`. (required)
  body: object, The request body. (required)
    The object takes the form of:

{ # Request message for `TestIamPermissions` method.
    "permissions": [ # The set of permissions to check for the `resource`. Permissions with
        # wildcards (such as '*' or 'storage.*') are not allowed. For more
        # information see
        # [IAM Overview](https://cloud.google.com/iam/docs/overview#permissions).
      "A String",
    ],
  }

  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Response message for `TestIamPermissions` method.
    "permissions": [ # A subset of `TestPermissionsRequest.permissions` that the caller is
        # allowed.
      "A String",
    ],
  }</pre>
</div>

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