# ListLakeFormationOptIns
<a name="API_ListLakeFormationOptIns"></a>

Retrieve the current list of resources and principals that are opt in to enforce Lake Formation permissions.

## Request Syntax
<a name="API_ListLakeFormationOptIns_RequestSyntax"></a>

```
POST /ListLakeFormationOptIns HTTP/1.1
Content-type: application/json

{
   "MaxResults": number,
   "NextToken": "string",
   "Principal": { 
      "DataLakePrincipalIdentifier": "string"
   },
   "Resource": { 
      "Catalog": { 
         "Id": "string"
      },
      "Database": { 
         "CatalogId": "string",
         "Name": "string"
      },
      "DataCellsFilter": { 
         "DatabaseName": "string",
         "Name": "string",
         "TableCatalogId": "string",
         "TableName": "string"
      },
      "DataLocation": { 
         "CatalogId": "string",
         "ResourceArn": "string"
      },
      "LFTag": { 
         "CatalogId": "string",
         "TagKey": "string",
         "TagValues": [ "string" ]
      },
      "LFTagExpression": { 
         "CatalogId": "string",
         "Name": "string"
      },
      "LFTagPolicy": { 
         "CatalogId": "string",
         "Expression": [ 
            { 
               "TagKey": "string",
               "TagValues": [ "string" ]
            }
         ],
         "ExpressionName": "string",
         "ResourceType": "string"
      },
      "Table": { 
         "CatalogId": "string",
         "DatabaseName": "string",
         "Name": "string",
         "TableWildcard": { 
         }
      },
      "TableWithColumns": { 
         "CatalogId": "string",
         "ColumnNames": [ "string" ],
         "ColumnWildcard": { 
            "ExcludedColumnNames": [ "string" ]
         },
         "DatabaseName": "string",
         "Name": "string"
      }
   }
}
```

## URI Request Parameters
<a name="API_ListLakeFormationOptIns_RequestParameters"></a>

The request does not use any URI parameters.

## Request Body
<a name="API_ListLakeFormationOptIns_RequestBody"></a>

The request accepts the following data in JSON format.

 ** [MaxResults](#API_ListLakeFormationOptIns_RequestSyntax) **   <a name="lakeformation-ListLakeFormationOptIns-request-MaxResults"></a>
The maximum number of results to return.  
Type: Integer  
Valid Range: Minimum value of 1. Maximum value of 1000.  
Required: No

 ** [NextToken](#API_ListLakeFormationOptIns_RequestSyntax) **   <a name="lakeformation-ListLakeFormationOptIns-request-NextToken"></a>
A continuation token, if this is not the first call to retrieve this list.  
Type: String  
Required: No

 ** [Principal](#API_ListLakeFormationOptIns_RequestSyntax) **   <a name="lakeformation-ListLakeFormationOptIns-request-Principal"></a>
The AWS Lake Formation principal. Supported principals are IAM users or IAM roles.  
Type: [DataLakePrincipal](API_DataLakePrincipal.md) object  
Required: No

 ** [Resource](#API_ListLakeFormationOptIns_RequestSyntax) **   <a name="lakeformation-ListLakeFormationOptIns-request-Resource"></a>
A structure for the resource.  
Type: [Resource](API_Resource.md) object  
Required: No

## Response Syntax
<a name="API_ListLakeFormationOptIns_ResponseSyntax"></a>

```
HTTP/1.1 200
Content-type: application/json

{
   "LakeFormationOptInsInfoList": [ 
      { 
         "Condition": { 
            "Expression": "string"
         },
         "LastModified": number,
         "LastUpdatedBy": "string",
         "Principal": { 
            "DataLakePrincipalIdentifier": "string"
         },
         "Resource": { 
            "Catalog": { 
               "Id": "string"
            },
            "Database": { 
               "CatalogId": "string",
               "Name": "string"
            },
            "DataCellsFilter": { 
               "DatabaseName": "string",
               "Name": "string",
               "TableCatalogId": "string",
               "TableName": "string"
            },
            "DataLocation": { 
               "CatalogId": "string",
               "ResourceArn": "string"
            },
            "LFTag": { 
               "CatalogId": "string",
               "TagKey": "string",
               "TagValues": [ "string" ]
            },
            "LFTagExpression": { 
               "CatalogId": "string",
               "Name": "string"
            },
            "LFTagPolicy": { 
               "CatalogId": "string",
               "Expression": [ 
                  { 
                     "TagKey": "string",
                     "TagValues": [ "string" ]
                  }
               ],
               "ExpressionName": "string",
               "ResourceType": "string"
            },
            "Table": { 
               "CatalogId": "string",
               "DatabaseName": "string",
               "Name": "string",
               "TableWildcard": { 
               }
            },
            "TableWithColumns": { 
               "CatalogId": "string",
               "ColumnNames": [ "string" ],
               "ColumnWildcard": { 
                  "ExcludedColumnNames": [ "string" ]
               },
               "DatabaseName": "string",
               "Name": "string"
            }
         }
      }
   ],
   "NextToken": "string"
}
```

## Response Elements
<a name="API_ListLakeFormationOptIns_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [LakeFormationOptInsInfoList](#API_ListLakeFormationOptIns_ResponseSyntax) **   <a name="lakeformation-ListLakeFormationOptIns-response-LakeFormationOptInsInfoList"></a>
A list of principal-resource pairs that have Lake Formation permissins enforced.  
Type: Array of [LakeFormationOptInsInfo](API_LakeFormationOptInsInfo.md) objects

 ** [NextToken](#API_ListLakeFormationOptIns_ResponseSyntax) **   <a name="lakeformation-ListLakeFormationOptIns-response-NextToken"></a>
A continuation token, if this is not the first call to retrieve this list.  
Type: String

## Errors
<a name="API_ListLakeFormationOptIns_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
Access to a resource was denied.    
 ** Message **   
A message describing the problem.
HTTP Status Code: 403

 ** InternalServiceException **   
An internal service error occurred.    
 ** Message **   
A message describing the problem.
HTTP Status Code: 500

 ** InvalidInputException **   
The input provided was not valid.    
 ** Message **   
A message describing the problem.
HTTP Status Code: 400

 ** OperationTimeoutException **   
The operation timed out.    
 ** Message **   
A message describing the problem.
HTTP Status Code: 400

## See Also
<a name="API_ListLakeFormationOptIns_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/lakeformation-2017-03-31/ListLakeFormationOptIns) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lakeformation-2017-03-31/ListLakeFormationOptIns)