{
  "metadata": {
    "apiVersion": "2012-08-10",
    "endpointPrefix": "dynamodb",
    "jsonVersion": "1.0",
    "serviceAbbreviation": "DynamoDB",
    "serviceFullName": "Amazon DynamoDB",
    "signatureVersion": "v4",
    "targetPrefix": "DynamoDB_20120810",
    "protocol": "json"
  },
  "operations": {
    "BatchGetItem": {
      "input": {
        "type": "structure",
        "required": [
          "RequestItems"
        ],
        "members": {
          "RequestItems": {
            "shape": "S2"
          },
          "ReturnConsumedCapacity": {}
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "Responses": {
            "type": "map",
            "key": {},
            "value": {
              "shape": "Sr"
            }
          },
          "UnprocessedKeys": {
            "shape": "S2"
          },
          "ConsumedCapacity": {
            "shape": "St"
          }
        }
      }
    },
    "BatchWriteItem": {
      "input": {
        "type": "structure",
        "required": [
          "RequestItems"
        ],
        "members": {
          "RequestItems": {
            "shape": "S10"
          },
          "ReturnConsumedCapacity": {},
          "ReturnItemCollectionMetrics": {}
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "UnprocessedItems": {
            "shape": "S10"
          },
          "ItemCollectionMetrics": {
            "type": "map",
            "key": {},
            "value": {
              "type": "list",
              "member": {
                "shape": "S1a"
              }
            }
          },
          "ConsumedCapacity": {
            "shape": "St"
          }
        }
      }
    },
    "CreateTable": {
      "input": {
        "type": "structure",
        "required": [
          "AttributeDefinitions",
          "TableName",
          "KeySchema",
          "ProvisionedThroughput"
        ],
        "members": {
          "AttributeDefinitions": {
            "shape": "S1f"
          },
          "TableName": {},
          "KeySchema": {
            "shape": "S1j"
          },
          "LocalSecondaryIndexes": {
            "type": "list",
            "member": {
              "type": "structure",
              "required": [
                "IndexName",
                "KeySchema",
                "Projection"
              ],
              "members": {
                "IndexName": {},
                "KeySchema": {
                  "shape": "S1j"
                },
                "Projection": {
                  "shape": "S1o"
                }
              }
            }
          },
          "GlobalSecondaryIndexes": {
            "type": "list",
            "member": {
              "type": "structure",
              "required": [
                "IndexName",
                "KeySchema",
                "Projection",
                "ProvisionedThroughput"
              ],
              "members": {
                "IndexName": {},
                "KeySchema": {
                  "shape": "S1j"
                },
                "Projection": {
                  "shape": "S1o"
                },
                "ProvisionedThroughput": {
                  "shape": "S1u"
                }
              }
            }
          },
          "ProvisionedThroughput": {
            "shape": "S1u"
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "TableDescription": {
            "shape": "S1x"
          }
        }
      }
    },
    "DeleteItem": {
      "input": {
        "type": "structure",
        "required": [
          "TableName",
          "Key"
        ],
        "members": {
          "TableName": {},
          "Key": {
            "shape": "S6"
          },
          "Expected": {
            "shape": "S28"
          },
          "ConditionalOperator": {},
          "ReturnValues": {},
          "ReturnConsumedCapacity": {},
          "ReturnItemCollectionMetrics": {},
          "ConditionExpression": {},
          "ExpressionAttributeNames": {
            "shape": "Sm"
          },
          "ExpressionAttributeValues": {
            "shape": "S2g"
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "Attributes": {
            "shape": "Ss"
          },
          "ConsumedCapacity": {
            "shape": "Su"
          },
          "ItemCollectionMetrics": {
            "shape": "S1a"
          }
        }
      }
    },
    "DeleteTable": {
      "input": {
        "type": "structure",
        "required": [
          "TableName"
        ],
        "members": {
          "TableName": {}
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "TableDescription": {
            "shape": "S1x"
          }
        }
      }
    },
    "DescribeTable": {
      "input": {
        "type": "structure",
        "required": [
          "TableName"
        ],
        "members": {
          "TableName": {}
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "Table": {
            "shape": "S1x"
          }
        }
      }
    },
    "GetItem": {
      "input": {
        "type": "structure",
        "required": [
          "TableName",
          "Key"
        ],
        "members": {
          "TableName": {},
          "Key": {
            "shape": "S6"
          },
          "AttributesToGet": {
            "shape": "Sj"
          },
          "ConsistentRead": {
            "type": "boolean"
          },
          "ReturnConsumedCapacity": {},
          "ProjectionExpression": {},
          "ExpressionAttributeNames": {
            "shape": "Sm"
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "Item": {
            "shape": "Ss"
          },
          "ConsumedCapacity": {
            "shape": "Su"
          }
        }
      }
    },
    "ListTables": {
      "input": {
        "type": "structure",
        "members": {
          "ExclusiveStartTableName": {},
          "Limit": {
            "type": "integer"
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "TableNames": {
            "type": "list",
            "member": {}
          },
          "LastEvaluatedTableName": {}
        }
      }
    },
    "PutItem": {
      "input": {
        "type": "structure",
        "required": [
          "TableName",
          "Item"
        ],
        "members": {
          "TableName": {},
          "Item": {
            "shape": "S14"
          },
          "Expected": {
            "shape": "S28"
          },
          "ReturnValues": {},
          "ReturnConsumedCapacity": {},
          "ReturnItemCollectionMetrics": {},
          "ConditionalOperator": {},
          "ConditionExpression": {},
          "ExpressionAttributeNames": {
            "shape": "Sm"
          },
          "ExpressionAttributeValues": {
            "shape": "S2g"
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "Attributes": {
            "shape": "Ss"
          },
          "ConsumedCapacity": {
            "shape": "Su"
          },
          "ItemCollectionMetrics": {
            "shape": "S1a"
          }
        }
      }
    },
    "Query": {
      "input": {
        "type": "structure",
        "required": [
          "TableName",
          "KeyConditions"
        ],
        "members": {
          "TableName": {},
          "IndexName": {},
          "Select": {},
          "AttributesToGet": {
            "shape": "Sj"
          },
          "Limit": {
            "type": "integer"
          },
          "ConsistentRead": {
            "type": "boolean"
          },
          "KeyConditions": {
            "type": "map",
            "key": {},
            "value": {
              "shape": "S2z"
            }
          },
          "QueryFilter": {
            "shape": "S30"
          },
          "ConditionalOperator": {},
          "ScanIndexForward": {
            "type": "boolean"
          },
          "ExclusiveStartKey": {
            "shape": "S6"
          },
          "ReturnConsumedCapacity": {},
          "ProjectionExpression": {},
          "FilterExpression": {},
          "ExpressionAttributeNames": {
            "shape": "Sm"
          },
          "ExpressionAttributeValues": {
            "shape": "S2g"
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "Items": {
            "shape": "Sr"
          },
          "Count": {
            "type": "integer"
          },
          "ScannedCount": {
            "type": "integer"
          },
          "LastEvaluatedKey": {
            "shape": "S6"
          },
          "ConsumedCapacity": {
            "shape": "Su"
          }
        }
      }
    },
    "Scan": {
      "input": {
        "type": "structure",
        "required": [
          "TableName"
        ],
        "members": {
          "TableName": {},
          "AttributesToGet": {
            "shape": "Sj"
          },
          "Limit": {
            "type": "integer"
          },
          "Select": {},
          "ScanFilter": {
            "shape": "S30"
          },
          "ConditionalOperator": {},
          "ExclusiveStartKey": {
            "shape": "S6"
          },
          "ReturnConsumedCapacity": {},
          "TotalSegments": {
            "type": "integer"
          },
          "Segment": {
            "type": "integer"
          },
          "ProjectionExpression": {},
          "FilterExpression": {},
          "ExpressionAttributeNames": {
            "shape": "Sm"
          },
          "ExpressionAttributeValues": {
            "shape": "S2g"
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "Items": {
            "shape": "Sr"
          },
          "Count": {
            "type": "integer"
          },
          "ScannedCount": {
            "type": "integer"
          },
          "LastEvaluatedKey": {
            "shape": "S6"
          },
          "ConsumedCapacity": {
            "shape": "Su"
          }
        }
      }
    },
    "UpdateItem": {
      "input": {
        "type": "structure",
        "required": [
          "TableName",
          "Key"
        ],
        "members": {
          "TableName": {},
          "Key": {
            "shape": "S6"
          },
          "AttributeUpdates": {
            "type": "map",
            "key": {},
            "value": {
              "type": "structure",
              "members": {
                "Value": {
                  "shape": "S8"
                },
                "Action": {}
              }
            }
          },
          "Expected": {
            "shape": "S28"
          },
          "ConditionalOperator": {},
          "ReturnValues": {},
          "ReturnConsumedCapacity": {},
          "ReturnItemCollectionMetrics": {},
          "UpdateExpression": {},
          "ConditionExpression": {},
          "ExpressionAttributeNames": {
            "shape": "Sm"
          },
          "ExpressionAttributeValues": {
            "shape": "S2g"
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "Attributes": {
            "shape": "Ss"
          },
          "ConsumedCapacity": {
            "shape": "Su"
          },
          "ItemCollectionMetrics": {
            "shape": "S1a"
          }
        }
      }
    },
    "UpdateTable": {
      "input": {
        "type": "structure",
        "required": [
          "TableName"
        ],
        "members": {
          "TableName": {},
          "ProvisionedThroughput": {
            "shape": "S1u"
          },
          "GlobalSecondaryIndexUpdates": {
            "type": "list",
            "member": {
              "type": "structure",
              "members": {
                "Update": {
                  "type": "structure",
                  "required": [
                    "IndexName",
                    "ProvisionedThroughput"
                  ],
                  "members": {
                    "IndexName": {},
                    "ProvisionedThroughput": {
                      "shape": "S1u"
                    }
                  }
                }
              }
            }
          }
        }
      },
      "output": {
        "type": "structure",
        "members": {
          "TableDescription": {
            "shape": "S1x"
          }
        }
      }
    }
  },
  "shapes": {
    "S2": {
      "type": "map",
      "key": {},
      "value": {
        "type": "structure",
        "required": [
          "Keys"
        ],
        "members": {
          "Keys": {
            "type": "list",
            "member": {
              "shape": "S6"
            }
          },
          "AttributesToGet": {
            "shape": "Sj"
          },
          "ConsistentRead": {
            "type": "boolean"
          },
          "ProjectionExpression": {},
          "ExpressionAttributeNames": {
            "shape": "Sm"
          }
        }
      }
    },
    "S6": {
      "type": "map",
      "key": {},
      "value": {
        "shape": "S8"
      }
    },
    "S8": {
      "type": "structure",
      "members": {
        "S": {},
        "N": {},
        "B": {
          "type": "blob"
        },
        "SS": {
          "type": "list",
          "member": {}
        },
        "NS": {
          "type": "list",
          "member": {}
        },
        "BS": {
          "type": "list",
          "member": {
            "type": "blob"
          }
        },
        "M": {
          "type": "map",
          "key": {},
          "value": {
            "shape": "S8"
          }
        },
        "L": {
          "type": "list",
          "member": {
            "shape": "S8"
          }
        },
        "NULL": {
          "type": "boolean"
        },
        "BOOL": {
          "type": "boolean"
        }
      }
    },
    "Sj": {
      "type": "list",
      "member": {}
    },
    "Sm": {
      "type": "map",
      "key": {},
      "value": {}
    },
    "Sr": {
      "type": "list",
      "member": {
        "shape": "Ss"
      }
    },
    "Ss": {
      "type": "map",
      "key": {},
      "value": {
        "shape": "S8"
      }
    },
    "St": {
      "type": "list",
      "member": {
        "shape": "Su"
      }
    },
    "Su": {
      "type": "structure",
      "members": {
        "TableName": {},
        "CapacityUnits": {
          "type": "double"
        },
        "Table": {
          "shape": "Sw"
        },
        "LocalSecondaryIndexes": {
          "shape": "Sx"
        },
        "GlobalSecondaryIndexes": {
          "shape": "Sx"
        }
      }
    },
    "Sw": {
      "type": "structure",
      "members": {
        "CapacityUnits": {
          "type": "double"
        }
      }
    },
    "Sx": {
      "type": "map",
      "key": {},
      "value": {
        "shape": "Sw"
      }
    },
    "S10": {
      "type": "map",
      "key": {},
      "value": {
        "type": "list",
        "member": {
          "type": "structure",
          "members": {
            "PutRequest": {
              "type": "structure",
              "required": [
                "Item"
              ],
              "members": {
                "Item": {
                  "shape": "S14"
                }
              }
            },
            "DeleteRequest": {
              "type": "structure",
              "required": [
                "Key"
              ],
              "members": {
                "Key": {
                  "shape": "S6"
                }
              }
            }
          }
        }
      }
    },
    "S14": {
      "type": "map",
      "key": {},
      "value": {
        "shape": "S8"
      }
    },
    "S1a": {
      "type": "structure",
      "members": {
        "ItemCollectionKey": {
          "type": "map",
          "key": {},
          "value": {
            "shape": "S8"
          }
        },
        "SizeEstimateRangeGB": {
          "type": "list",
          "member": {
            "type": "double"
          }
        }
      }
    },
    "S1f": {
      "type": "list",
      "member": {
        "type": "structure",
        "required": [
          "AttributeName",
          "AttributeType"
        ],
        "members": {
          "AttributeName": {},
          "AttributeType": {}
        }
      }
    },
    "S1j": {
      "type": "list",
      "member": {
        "type": "structure",
        "required": [
          "AttributeName",
          "KeyType"
        ],
        "members": {
          "AttributeName": {},
          "KeyType": {}
        }
      }
    },
    "S1o": {
      "type": "structure",
      "members": {
        "ProjectionType": {},
        "NonKeyAttributes": {
          "type": "list",
          "member": {}
        }
      }
    },
    "S1u": {
      "type": "structure",
      "required": [
        "ReadCapacityUnits",
        "WriteCapacityUnits"
      ],
      "members": {
        "ReadCapacityUnits": {
          "type": "long"
        },
        "WriteCapacityUnits": {
          "type": "long"
        }
      }
    },
    "S1x": {
      "type": "structure",
      "members": {
        "AttributeDefinitions": {
          "shape": "S1f"
        },
        "TableName": {},
        "KeySchema": {
          "shape": "S1j"
        },
        "TableStatus": {},
        "CreationDateTime": {
          "type": "timestamp"
        },
        "ProvisionedThroughput": {
          "shape": "S20"
        },
        "TableSizeBytes": {
          "type": "long"
        },
        "ItemCount": {
          "type": "long"
        },
        "LocalSecondaryIndexes": {
          "type": "list",
          "member": {
            "type": "structure",
            "members": {
              "IndexName": {},
              "KeySchema": {
                "shape": "S1j"
              },
              "Projection": {
                "shape": "S1o"
              },
              "IndexSizeBytes": {
                "type": "long"
              },
              "ItemCount": {
                "type": "long"
              }
            }
          }
        },
        "GlobalSecondaryIndexes": {
          "type": "list",
          "member": {
            "type": "structure",
            "members": {
              "IndexName": {},
              "KeySchema": {
                "shape": "S1j"
              },
              "Projection": {
                "shape": "S1o"
              },
              "IndexStatus": {},
              "ProvisionedThroughput": {
                "shape": "S20"
              },
              "IndexSizeBytes": {
                "type": "long"
              },
              "ItemCount": {
                "type": "long"
              }
            }
          }
        }
      }
    },
    "S20": {
      "type": "structure",
      "members": {
        "LastIncreaseDateTime": {
          "type": "timestamp"
        },
        "LastDecreaseDateTime": {
          "type": "timestamp"
        },
        "NumberOfDecreasesToday": {
          "type": "long"
        },
        "ReadCapacityUnits": {
          "type": "long"
        },
        "WriteCapacityUnits": {
          "type": "long"
        }
      }
    },
    "S28": {
      "type": "map",
      "key": {},
      "value": {
        "type": "structure",
        "members": {
          "Value": {
            "shape": "S8"
          },
          "Exists": {
            "type": "boolean"
          },
          "ComparisonOperator": {},
          "AttributeValueList": {
            "shape": "S2c"
          }
        }
      }
    },
    "S2c": {
      "type": "list",
      "member": {
        "shape": "S8"
      }
    },
    "S2g": {
      "type": "map",
      "key": {},
      "value": {
        "shape": "S8"
      }
    },
    "S2z": {
      "type": "structure",
      "required": [
        "ComparisonOperator"
      ],
      "members": {
        "AttributeValueList": {
          "shape": "S2c"
        },
        "ComparisonOperator": {}
      }
    },
    "S30": {
      "type": "map",
      "key": {},
      "value": {
        "shape": "S2z"
      }
    }
  }
}