{"action":"closed","issue":{"url":"https://api.github.com/repos/boto/boto3/issues/347","labels_url":"https://api.github.com/repos/boto/boto3/issues/347/labels{/name}","comments_url":"https://api.github.com/repos/boto/boto3/issues/347/comments","events_url":"https://api.github.com/repos/boto/boto3/issues/347/events","html_url":"https://github.com/boto/boto3/issues/347","id":115555536,"number":347,"title":"MissingParameter,  when calling the CreateSecurityGroup request must contain GroupDescription","user":{"login":"rasathus","id":106168,"avatar_url":"https://avatars.githubusercontent.com/u/106168?v=3","gravatar_id":"","url":"https://api.github.com/users/rasathus","html_url":"https://github.com/rasathus","followers_url":"https://api.github.com/users/rasathus/followers","following_url":"https://api.github.com/users/rasathus/following{/other_user}","gists_url":"https://api.github.com/users/rasathus/gists{/gist_id}","starred_url":"https://api.github.com/users/rasathus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rasathus/subscriptions","organizations_url":"https://api.github.com/users/rasathus/orgs","repos_url":"https://api.github.com/users/rasathus/repos","events_url":"https://api.github.com/users/rasathus/events{/privacy}","received_events_url":"https://api.github.com/users/rasathus/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/boto/boto3/labels/closing-soon-if-no-response","name":"closing-soon-if-no-response","color":"5319e7"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-11-06T17:55:13Z","updated_at":"2015-11-13T18:02:20Z","closed_at":"2015-11-13T18:02:20Z","body":"Im trying to create a new security group, using this code ... \r\n```\r\ndefault_vpc_instance = ec2_resource.Vpc(default_vpc_id)\r\nnew_security_group = default_vpc_instance.create_security_group(\r\n    Description=rule_set[rule]['description'],\r\n    GroupName=rule)\r\n```\r\nbased on the documentation example ...\r\n```\r\nsecurity_group = vpc.create_security_group(\r\n    DryRun=True|False,\r\n    GroupName='string',\r\n    Description='string',\r\n)\r\n```\r\nlocated here ... \r\nhttps://boto3.readthedocs.org/en/latest/reference/services/ec2.html?highlight=region#EC2.Vpc.create_security_group\r\n\r\nUpon execution I get a client error suggesting that the request needs a parameter of 'GroupDescription' ...\r\n```\r\nTraceback (most recent call last):\r\n  File \"configure.py\", line 63, in <module>\r\n    new_security_group = default_vpc_instance.create_security_group(Description=rule_set[rule]['description'], GroupName=rule)\r\n  File \"/usr/local/lib/python2.7/site-packages/boto3/resources/factory.py\", line 394, in do_action\r\n    response = action(self, *args, **kwargs)\r\n  File \"/usr/local/lib/python2.7/site-packages/boto3/resources/action.py\", line 77, in __call__\r\n    response = getattr(parent.meta.client, operation_name)(**params)\r\n  File \"/usr/local/lib/python2.7/site-packages/botocore/client.py\", line 310, in _api_call\r\n    return self._make_api_call(operation_name, kwargs)\r\n  File \"/usr/local/lib/python2.7/site-packages/botocore/client.py\", line 395, in _make_api_call\r\n    raise ClientError(parsed_response, operation_name)\r\nbotocore.exceptions.ClientError: An error occurred (MissingParameter) when calling the CreateSecurityGroup operation: The request must contain the parameter GroupDescription\r\n```\r\n\r\nAttempts to use 'GroupDescription' in place of 'Description' result in another error ...\r\n\r\n```\r\nMissing required parameter in input: \"Description\"\r\nUnknown parameter in input: \"GroupDescription\", must be one of: DryRun, GroupName, Description, VpcId\r\n```\r\n\r\nAny help would be most appreciated.\r\n"}}