<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>GetDynamoDB</title><link rel="stylesheet" href="../../../../../css/component-usage.css" type="text/css"></link></head><script type="text/javascript">window.onload = function(){if(self==top) { document.getElementById('nameHeader').style.display = "inherit"; } }</script><body><h1 id="nameHeader" style="display: none;">GetDynamoDB</h1><h2>Description: </h2><p>Retrieves a document from DynamoDB based on hash and range key.  The key can be string or number.For any get request all the primary keys are required (hash or hash and range based on the table keys).A Json Document ('Map') attribute of the DynamoDB item is read into the content of the FlowFile.</p><h3>Tags: </h3><p>Amazon, DynamoDB, AWS, Get, Fetch</p><h3>Properties: </h3><p>In the list below, the names of required properties appear in <strong>bold</strong>. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the <a href="../../../../../html/expression-language-guide.html">NiFi Expression Language</a>.</p><table id="properties"><tr><th>Display Name</th><th>API Name</th><th>Default Value</th><th>Allowable Values</th><th>Description</th></tr><tr><td id="name"><strong>Table Name</strong></td><td>Table Name</td><td></td><td id="allowable-values"></td><td id="description">The DynamoDB table name<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Hash Key Name</strong></td><td>Hash Key Name</td><td></td><td id="allowable-values"></td><td id="description">The hash key name of the item<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Range Key Name</td><td>Range Key Name</td><td></td><td id="allowable-values"></td><td id="description">The range key name of the item<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Hash Key Value</strong></td><td>Hash Key Value</td><td id="default-value">${dynamodb.item.hash.key.value}</td><td id="allowable-values"></td><td id="description">The hash key value of the item<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Range Key Value</td><td>Range Key Value</td><td id="default-value">${dynamodb.item.range.key.value}</td><td id="allowable-values"></td><td id="description">No Description Provided.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name"><strong>Hash Key Value Type</strong></td><td>Hash Key Value Type</td><td id="default-value">string</td><td id="allowable-values"><ul><li>string</li><li>number</li></ul></td><td id="description">The hash key value type of the item</td></tr><tr><td id="name"><strong>Range Key Value Type</strong></td><td>Range Key Value Type</td><td id="default-value">string</td><td id="allowable-values"><ul><li>string</li><li>number</li></ul></td><td id="description">The range key value type of the item</td></tr><tr><td id="name"><strong>Json Document attribute</strong></td><td>Json Document attribute</td><td></td><td id="allowable-values"></td><td id="description">The Json document to be retrieved from the dynamodb item<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Batch items for each request (between 1 and 50)</td><td>Batch items for each request (between 1 and 50)</td><td id="default-value">1</td><td id="allowable-values"></td><td id="description">The items to be retrieved in one batch<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name"><strong>Region</strong></td><td>Region</td><td id="default-value">US West (Oregon)</td><td id="allowable-values"><ul><li>AWS GovCloud (US) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-gov-west-1" title="AWS Region Code : us-gov-west-1"></img></li><li>AWS GovCloud (US-East) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-gov-east-1" title="AWS Region Code : us-gov-east-1"></img></li><li>US East (N. Virginia) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-east-1" title="AWS Region Code : us-east-1"></img></li><li>US East (Ohio) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-east-2" title="AWS Region Code : us-east-2"></img></li><li>US West (N. California) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-west-1" title="AWS Region Code : us-west-1"></img></li><li>US West (Oregon) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-west-2" title="AWS Region Code : us-west-2"></img></li><li>EU (Ireland) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : eu-west-1" title="AWS Region Code : eu-west-1"></img></li><li>EU (London) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : eu-west-2" title="AWS Region Code : eu-west-2"></img></li><li>EU (Paris) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : eu-west-3" title="AWS Region Code : eu-west-3"></img></li><li>EU (Frankfurt) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : eu-central-1" title="AWS Region Code : eu-central-1"></img></li><li>EU (Stockholm) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : eu-north-1" title="AWS Region Code : eu-north-1"></img></li><li>EU (Milan) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : eu-south-1" title="AWS Region Code : eu-south-1"></img></li><li>Asia Pacific (Hong Kong) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ap-east-1" title="AWS Region Code : ap-east-1"></img></li><li>Asia Pacific (Mumbai) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ap-south-1" title="AWS Region Code : ap-south-1"></img></li><li>Asia Pacific (Singapore) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ap-southeast-1" title="AWS Region Code : ap-southeast-1"></img></li><li>Asia Pacific (Sydney) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ap-southeast-2" title="AWS Region Code : ap-southeast-2"></img></li><li>Asia Pacific (Jakarta) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ap-southeast-3" title="AWS Region Code : ap-southeast-3"></img></li><li>Asia Pacific (Tokyo) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ap-northeast-1" title="AWS Region Code : ap-northeast-1"></img></li><li>Asia Pacific (Seoul) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ap-northeast-2" title="AWS Region Code : ap-northeast-2"></img></li><li>Asia Pacific (Osaka) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ap-northeast-3" title="AWS Region Code : ap-northeast-3"></img></li><li>South America (Sao Paulo) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : sa-east-1" title="AWS Region Code : sa-east-1"></img></li><li>China (Beijing) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : cn-north-1" title="AWS Region Code : cn-north-1"></img></li><li>China (Ningxia) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : cn-northwest-1" title="AWS Region Code : cn-northwest-1"></img></li><li>Canada (Central) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : ca-central-1" title="AWS Region Code : ca-central-1"></img></li><li>Middle East (UAE) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : me-central-1" title="AWS Region Code : me-central-1"></img></li><li>Middle East (Bahrain) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : me-south-1" title="AWS Region Code : me-south-1"></img></li><li>Africa (Cape Town) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : af-south-1" title="AWS Region Code : af-south-1"></img></li><li>US ISO East <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-iso-east-1" title="AWS Region Code : us-iso-east-1"></img></li><li>US ISOB East (Ohio) <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-isob-east-1" title="AWS Region Code : us-isob-east-1"></img></li><li>US ISO West <img src="../../../../../html/images/iconInfo.png" alt="AWS Region Code : us-iso-west-1" title="AWS Region Code : us-iso-west-1"></img></li></ul></td><td id="description">No Description Provided.</td></tr><tr><td id="name">Access Key ID</td><td>Access Key</td><td></td><td id="allowable-values"></td><td id="description">No Description Provided.<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Secret Access Key</td><td>Secret Key</td><td></td><td id="allowable-values"></td><td id="description">No Description Provided.<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Credentials File</td><td>Credentials File</td><td></td><td id="allowable-values"></td><td id="description">Path to a file containing AWS access key and secret key in properties file format.<br/><br/><strong>This property requires exactly one file to be provided..</strong><br/></td></tr><tr><td id="name">AWS Credentials Provider Service</td><td>AWS Credentials Provider service</td><td></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>AWSCredentialsProviderService<br/><strong>Implementation: </strong><a href="../org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderControllerService/index.html">AWSCredentialsProviderControllerService</a></td><td id="description">The Controller Service that is used to obtain aws credentials provider</td></tr><tr><td id="name"><strong>Communications Timeout</strong></td><td>Communications Timeout</td><td id="default-value">30 secs</td><td id="allowable-values"></td><td id="description">No Description Provided.</td></tr><tr><td id="name">SSL Context Service</td><td>SSL Context Service</td><td></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>SSLContextService<br/><strong>Implementations: </strong><a href="../../../nifi-ssl-context-service-nar/1.19.1/org.apache.nifi.ssl.StandardRestrictedSSLContextService/index.html">StandardRestrictedSSLContextService</a><br/><a href="../../../nifi-ssl-context-service-nar/1.19.1/org.apache.nifi.ssl.StandardSSLContextService/index.html">StandardSSLContextService</a></td><td id="description">Specifies an optional SSL Context Service that, if provided, will be used to create connections</td></tr><tr><td id="name">Proxy Configuration Service</td><td>proxy-configuration-service</td><td></td><td id="allowable-values"><strong>Controller Service API: </strong><br/>ProxyConfigurationService<br/><strong>Implementation: </strong><a href="../../../nifi-proxy-configuration-nar/1.19.1/org.apache.nifi.proxy.StandardProxyConfigurationService/index.html">StandardProxyConfigurationService</a></td><td id="description">Specifies the Proxy Configuration Controller Service to proxy network requests. If set, it supersedes proxy settings configured per component. Supported proxies: HTTP + AuthN</td></tr><tr><td id="name">Proxy Host</td><td>Proxy Host</td><td></td><td id="allowable-values"></td><td id="description">Proxy host name or IP<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Proxy Host Port</td><td>Proxy Host Port</td><td></td><td id="allowable-values"></td><td id="description">Proxy host port<br/><strong>Supports Expression Language: true (will be evaluated using variable registry only)</strong></td></tr><tr><td id="name">Proxy Username</td><td>proxy-user-name</td><td></td><td id="allowable-values"></td><td id="description">Proxy username<br/><strong>Supports Expression Language: true (undefined scope)</strong></td></tr><tr><td id="name">Proxy Password</td><td>proxy-user-password</td><td></td><td id="allowable-values"></td><td id="description">Proxy password<br/><strong>Sensitive Property: true</strong><br/><strong>Supports Expression Language: true (undefined scope)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>unprocessed</td><td>FlowFiles are routed to unprocessed relationship when DynamoDB is not able to process all the items in the request. Typical reasons are insufficient table throughput capacity and exceeding the maximum bytes per request. Unprocessed FlowFiles can be retried with a new request.</td></tr><tr><td>success</td><td>FlowFiles are routed to success relationship</td></tr><tr><td>failure</td><td>FlowFiles are routed to failure relationship</td></tr><tr><td>not found</td><td>FlowFiles are routed to not found relationship if key not found in the table</td></tr></table><h3>Reads Attributes: </h3><table id="reads-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>  dynamodb.item.hash.key.value</td><td>Items hash key value</td></tr><tr><td>  dynamodb.item.range.key.value</td><td>Items range key value</td></tr></table><h3>Writes Attributes: </h3><table id="writes-attributes"><tr><th>Name</th><th>Description</th></tr><tr><td>dynamodb.key.error.unprocessed</td><td>DynamoDB unprocessed keys</td></tr><tr><td>dynmodb.range.key.value.error</td><td>DynamoDB range key error</td></tr><tr><td>dynamodb.key.error.not.found</td><td>DynamoDB key not found</td></tr><tr><td>dynamodb.error.exception.message</td><td>DynamoDB exception message</td></tr><tr><td>dynamodb.error.code</td><td>DynamoDB error code</td></tr><tr><td>dynamodb.error.message</td><td>DynamoDB error message</td></tr><tr><td>dynamodb.error.type</td><td>DynamoDB error type</td></tr><tr><td>dynamodb.error.service</td><td>DynamoDB error service</td></tr><tr><td>dynamodb.error.retryable</td><td>DynamoDB error is retryable</td></tr><tr><td>dynamodb.error.request.id</td><td>DynamoDB error request id</td></tr><tr><td>dynamodb.error.status.code</td><td>DynamoDB status code</td></tr></table><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>Input requirement: </h3>This component requires an incoming relationship.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.processors.aws.dynamodb.DeleteDynamoDB/index.html">DeleteDynamoDB</a>, <a href="../org.apache.nifi.processors.aws.dynamodb.PutDynamoDB/index.html">PutDynamoDB</a>, <a href="../org.apache.nifi.processors.aws.dynamodb.PutDynamoDBRecord/index.html">PutDynamoDBRecord</a></p></body></html>