<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>RecordSetWriterLookup</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;">RecordSetWriterLookup</h1><h2>Description: </h2><p>Provides a RecordSetWriterFactory that can be used to dynamically select another RecordSetWriterFactory. This will allow multiple RecordSetWriterFactory's to be defined and registered, and then selected dynamically at runtime by tagging FlowFiles with the attributes and referencing those attributes in the Service to Use property.</p><h3>Tags: </h3><p>lookup, result, set, writer, serializer, record, recordset, row</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>Service to Use</strong></td><td>Service to Use</td><td id="default-value">${recordsetwriter.name}</td><td id="allowable-values"></td><td id="description">Specifies the name of the user-defined property whose associated Controller Service should be used.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></table><h3>Dynamic Properties: </h3><p>Supports Sensitive Dynamic Properties: <strong>No</strong></p><p>Dynamic Properties allow the user to specify both the name and value of a property.<table id="dynamic-properties"><tr><th>Name</th><th>Value</th><th>Description</th></tr><tr><td id="name">Name of the RecordSetWriter</td><td id="value">A RecordSetWriterFactory controller service</td><td><br/><strong>Supports Expression Language: false</strong></td></tr></table></p><h3>State management: </h3>This component does not store state.<h3>Restricted: </h3>This component is not restricted.<h3>System Resource Considerations:</h3>None specified.<h3>See Also:</h3><p><a href="../org.apache.nifi.lookup.ReaderLookup/index.html">ReaderLookup</a></p></body></html>