| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></meta><title>LogMessage</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;">LogMessage</h1><h2>Description: </h2><p>Emits a log message at the specified log level</p><h3>Tags: </h3><p>attributes, logging</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>Log Level</strong></td><td>log-level</td><td id="default-value">info</td><td id="allowable-values"></td><td id="description">The Log Level to use when logging the message: [trace, debug, info, warn, error]<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Log prefix</td><td>log-prefix</td><td></td><td id="allowable-values"></td><td id="description">Log prefix appended to the log lines. It helps to distinguish the output of multiple LogMessage processors.<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr><tr><td id="name">Log message</td><td>log-message</td><td></td><td id="allowable-values"></td><td id="description">The log message to emit<br/><strong>Supports Expression Language: true (will be evaluated using flow file attributes and variable registry)</strong></td></tr></table><h3>Relationships: </h3><table id="relationships"><tr><th>Name</th><th>Description</th></tr><tr><td>success</td><td>All FlowFiles are routed to this relationship</td></tr></table><h3>Reads Attributes: </h3>None specified.<h3>Writes Attributes: </h3>None specified.<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.</body></html> |