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<!DOCTYPE html><html class="default" lang="en" data-base=".."><head><meta charset="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>DiagAPI | OpenTelemetry SDK</title><meta name="description" content="Documentation for OpenTelemetry SDK"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="../assets/style.css"/><link rel="stylesheet" href="../assets/highlight.css"/><script defer src="../assets/main.js"></script><script async src="../assets/icons.js" id="tsd-icons-script"></script><script async src="../assets/search.js" id="tsd-search-script"></script><script async src="../assets/navigation.js" id="tsd-nav-script"></script><script async src="../assets/hierarchy.js" id="tsd-hierarchy-script"></script></head><body><script>document.documentElement.dataset.theme = localStorage.getItem("tsd-theme") || "os";document.body.style.display="none";setTimeout(() => app?app.showPage():document.body.style.removeProperty("display"),500)</script><header class="tsd-page-toolbar"><div class="tsd-toolbar-contents container"><div class="table-cell" id="tsd-search"><div class="field"><label for="tsd-search-field" class="tsd-widget tsd-toolbar-icon search no-caption"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-search"></use></svg></label><input type="text" id="tsd-search-field" aria-label="Search"/></div><div class="field"><div id="tsd-toolbar-links"></div></div><ul class="results"><li class="state loading">Preparing search index...</li><li class="state failure">The search index is not available</li></ul><a href="../index.html" class="title">OpenTelemetry SDK</a></div><div class="table-cell" id="tsd-widgets"><a href="#" class="tsd-widget tsd-toolbar-icon menu no-caption" data-toggle="menu" aria-label="Menu"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-menu"></use></svg></a></div></div></header><div class="container container-main"><div class="col-content"><div class="tsd-page-title"><ul class="tsd-breadcrumb"><li><a href="../index.html">OpenTelemetry SDK</a></li><li><a href="../modules/_opentelemetry_sdk-node.html">@opentelemetry/sdk-node</a></li><li><a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html">@opentelemetry/api</a></li><li><a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html">DiagAPI</a></li></ul><h1>Class DiagAPI</h1></div><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><p>Singleton object which represents the entry point to the OpenTelemetry internal
diagnostic API</p>
</div><div class="tsd-comment tsd-typography"><div class="tsd-tag-since"><h4 class="tsd-anchor-link"><a id="since" class="tsd-anchor"></a>Since<a href="#since" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>1.0.0</p>
</div></div></section><section class="tsd-panel"><h4>Implements</h4><ul class="tsd-hierarchy"><li><a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-signature-type tsd-kind-interface">DiagLogger</a></li><li><span class="tsd-signature-type">DiagLoggerApi</span></li></ul></section><aside class="tsd-sources"><ul><li>Defined in api/build/src/api/diag.d.ts:8</li></ul></aside><section class="tsd-panel-group tsd-index-group"><section class="tsd-panel tsd-index-panel"><details class="tsd-index-content tsd-accordion" open><summary class="tsd-accordion-summary tsd-index-summary"><h5 class="tsd-index-heading uppercase" role="button" aria-expanded="false" tabIndex="0"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronSmall"></use></svg> Index</h5></summary><div class="tsd-accordion-details"><section class="tsd-index-section"><h3 class="tsd-index-heading">Properties</h3><div class="tsd-index-list"><a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#createcomponentlogger" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>create<wbr/>Component<wbr/>Logger</span></a>
<a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#debug" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>debug</span></a>
<a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#disable" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>disable</span></a>
<a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#error" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>error</span></a>
<a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#info" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>info</span></a>
<a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#setlogger" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>set<wbr/>Logger</span></a>
<a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#verbose" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>verbose</span></a>
<a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#warn" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>warn</span></a>
</div></section><section class="tsd-index-section"><h3 class="tsd-index-heading">Methods</h3><div class="tsd-index-list"><a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html#instance" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Method"><use href="../assets/icons.svg#icon-2048"></use></svg><span>instance</span></a>
</div></section></div></details></section></section><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Properties"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Properties</h2></summary><section><section class="tsd-panel tsd-member"><a id="createcomponentlogger" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>create<wbr/>Component<wbr/>Logger</span><a href="#createcomponentlogger" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">createComponentLogger</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><br/>    <span class="tsd-kind-parameter">options</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.ComponentLoggerOptions.html" class="tsd-signature-type tsd-kind-interface">ComponentLoggerOptions</a><span class="tsd-signature-symbol">,</span><br/><span class="tsd-signature-symbol">)</span> <span class="tsd-signature-symbol">=&gt;</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-signature-type tsd-kind-interface">DiagLogger</a></div><aside class="tsd-sources"><ul><li>Defined in api/build/src/api/diag.d.ts:21</li></ul></aside></section><section class="tsd-panel tsd-member"><a id="debug" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>debug</span><a href="#debug" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">debug</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../types/_opentelemetry_sdk-node._opentelemetry_api.DiagLogFunction.html" class="tsd-signature-type tsd-kind-type-alias">DiagLogFunction</a></div><div class="tsd-comment tsd-typography"><p>Log a general debug message that can be useful for identifying a failure.
Information logged at this level may include diagnostic details that would
help identify a failure scenario.
For example: Logging the order of execution of async operations.</p>
</div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html">DiagLogger</a>.<a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html#debug">debug</a></p><ul><li>Defined in api/build/src/api/diag.d.ts:23</li></ul></aside></section><section class="tsd-panel tsd-member"><a id="disable" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>disable</span><a href="#disable" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">disable</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">()</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-type">void</span></div><div class="tsd-comment tsd-typography"><p>Unregister the global logger and return to Noop</p>
</div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in api/build/src/api/diag.d.ts:30</li></ul></aside></section><section class="tsd-panel tsd-member"><a id="error" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>error</span><a href="#error" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">error</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../types/_opentelemetry_sdk-node._opentelemetry_api.DiagLogFunction.html" class="tsd-signature-type tsd-kind-type-alias">DiagLogFunction</a></div><div class="tsd-comment tsd-typography"><p>Log an error scenario that was not expected and caused the requested operation to fail.</p>
</div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html">DiagLogger</a>.<a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html#error">error</a></p><ul><li>Defined in api/build/src/api/diag.d.ts:26</li></ul></aside></section><section class="tsd-panel tsd-member"><a id="info" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>info</span><a href="#info" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">info</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../types/_opentelemetry_sdk-node._opentelemetry_api.DiagLogFunction.html" class="tsd-signature-type tsd-kind-type-alias">DiagLogFunction</a></div><div class="tsd-comment tsd-typography"><p>Log a general informational message, this should not affect functionality.
This is also the default logging level so this should NOT be used for logging
debugging level information.</p>
</div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html">DiagLogger</a>.<a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html#info">info</a></p><ul><li>Defined in api/build/src/api/diag.d.ts:24</li></ul></aside></section><section class="tsd-panel tsd-member"><a id="setlogger" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>set<wbr/>Logger</span><a href="#setlogger" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">setLogger</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{</span><br/>    <span class="tsd-signature-symbol">(</span><br/>        <span class="tsd-kind-parameter">logger</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-signature-type tsd-kind-interface">DiagLogger</a><span class="tsd-signature-symbol">,</span><br/>        <span class="tsd-kind-parameter">options</span><span class="tsd-signature-symbol">?:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLoggerOptions.html" class="tsd-signature-type tsd-kind-interface">DiagLoggerOptions</a><span class="tsd-signature-symbol">,</span><br/>    <span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-signature-symbol">(</span><br/>        <span class="tsd-kind-parameter">logger</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-signature-type tsd-kind-interface">DiagLogger</a><span class="tsd-signature-symbol">,</span><br/>        <span class="tsd-kind-parameter">logLevel</span><span class="tsd-signature-symbol">?:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../enums/_opentelemetry_sdk-node._opentelemetry_api.DiagLogLevel.html" class="tsd-signature-type tsd-kind-enum">DiagLogLevel</a><span class="tsd-signature-symbol">,</span><br/>    <span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/><span class="tsd-signature-symbol">}</span></div><div class="tsd-comment tsd-typography"><p>Set the global DiagLogger and DiagLogLevel.
If a global diag logger is already set, this will override it.</p>
</div><div class="tsd-type-declaration"><h4>Type declaration</h4><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature"><span class="tsd-signature-symbol">(</span><br/>    <span class="tsd-kind-parameter">logger</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-signature-type tsd-kind-interface">DiagLogger</a><span class="tsd-signature-symbol">,</span><br/>    <span class="tsd-kind-parameter">options</span><span class="tsd-signature-symbol">?:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLoggerOptions.html" class="tsd-signature-type tsd-kind-interface">DiagLoggerOptions</a><span class="tsd-signature-symbol">,</span><br/><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span></li><li class="tsd-description"><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">logger</span>: <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-signature-type tsd-kind-interface">DiagLogger</a></span></li><li><span><code class="tsd-tag">Optional</code><span class="tsd-kind-parameter">options</span>: <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLoggerOptions.html" class="tsd-signature-type tsd-kind-interface">DiagLoggerOptions</a></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4></li><li class="tsd-signature"><span class="tsd-signature-symbol">(</span><br/>    <span class="tsd-kind-parameter">logger</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-signature-type tsd-kind-interface">DiagLogger</a><span class="tsd-signature-symbol">,</span><br/>    <span class="tsd-kind-parameter">logLevel</span><span class="tsd-signature-symbol">?:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../enums/_opentelemetry_sdk-node._opentelemetry_api.DiagLogLevel.html" class="tsd-signature-type tsd-kind-enum">DiagLogLevel</a><span class="tsd-signature-symbol">,</span><br/><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span></li><li class="tsd-description"><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">logger</span>: <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-signature-type tsd-kind-interface">DiagLogger</a></span><div class="tsd-comment tsd-typography"><p>The <a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-kind-interface">DiagLogger</a> instance to set as the default logger.</p>
</div><div class="tsd-comment tsd-typography"></div></li><li><span><code class="tsd-tag">Optional</code><span class="tsd-kind-parameter">logLevel</span>: <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../enums/_opentelemetry_sdk-node._opentelemetry_api.DiagLogLevel.html" class="tsd-signature-type tsd-kind-enum">DiagLogLevel</a></span><div class="tsd-comment tsd-typography"><p>The <a href="../enums/_opentelemetry_sdk-node._opentelemetry_api.DiagLogLevel.html" class="tsd-kind-enum">DiagLogLevel</a> used to filter logs sent to the logger. If not provided it will default to <a href="../enums/_opentelemetry_sdk-node._opentelemetry_api.DiagLogLevel.html#info" class="tsd-kind-enum-member">DiagLogLevel.INFO</a>.</p>
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4><p><code>true</code> if the logger was successfully registered, else <code>false</code></p>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><div class="tsd-comment tsd-typography"><div class="tsd-tag-param"><h4 class="tsd-anchor-link"><a id="param-logger" class="tsd-anchor"></a>Param: logger<a href="#param-logger" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>The <a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html" class="tsd-kind-interface">DiagLogger</a> instance to set as the default logger.</p>
</div><div class="tsd-tag-param"><h4 class="tsd-anchor-link"><a id="param-options" class="tsd-anchor"></a>Param: options<a href="#param-options" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>A <a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLoggerOptions.html" class="tsd-kind-interface">DiagLoggerOptions</a> object. If not provided, default values will be set.</p>
</div><div class="tsd-tag-returns"><h4 class="tsd-anchor-link"><a id="returns" class="tsd-anchor"></a>Returns<a href="#returns" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p><code>true</code> if the logger was successfully registered, else <code>false</code></p>
</div></div><aside class="tsd-sources"><p>Implementation of DiagLoggerApi.setLogger</p><ul><li>Defined in api/build/src/api/diag.d.ts:17</li></ul></aside></section><section class="tsd-panel tsd-member"><a id="verbose" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>verbose</span><a href="#verbose" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">verbose</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../types/_opentelemetry_sdk-node._opentelemetry_api.DiagLogFunction.html" class="tsd-signature-type tsd-kind-type-alias">DiagLogFunction</a></div><div class="tsd-comment tsd-typography"><p>Log a detailed (verbose) trace level logging that can be used to identify failures
where debug level logging would be insufficient, this level of tracing can include
input and output parameters and as such may include PII information passing through
the API. As such it is recommended that this level of tracing should not be enabled
in a production environment.</p>
</div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html">DiagLogger</a>.<a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html#verbose">verbose</a></p><ul><li>Defined in api/build/src/api/diag.d.ts:22</li></ul></aside></section><section class="tsd-panel tsd-member"><a id="warn" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>warn</span><a href="#warn" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">warn</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="../types/_opentelemetry_sdk-node._opentelemetry_api.DiagLogFunction.html" class="tsd-signature-type tsd-kind-type-alias">DiagLogFunction</a></div><div class="tsd-comment tsd-typography"><p>Log a warning scenario to inform the developer of an issues that should be investigated.
The requested operation may or may not have succeeded or completed.</p>
</div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html">DiagLogger</a>.<a href="../interfaces/_opentelemetry_sdk-node._opentelemetry_api.DiagLogger.html#warn">warn</a></p><ul><li>Defined in api/build/src/api/diag.d.ts:25</li></ul></aside></section></section></details><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Methods"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Methods</h2></summary><section><section class="tsd-panel tsd-member"><a id="instance" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag">Static</code><span>instance</span><a href="#instance" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link"><a id="instance-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">instance</span><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html" class="tsd-signature-type tsd-kind-class">DiagAPI</a><a href="#instance-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><div class="tsd-comment tsd-typography"><p>Get the singleton instance of the DiagAPI API</p>
</div><h4 class="tsd-returns-title">Returns <a href="../modules/_opentelemetry_sdk-node._opentelemetry_api.html" class="tsd-signature-type tsd-kind-namespace">@opentelemetry/api</a><span class="tsd-signature-symbol">.</span><a href="_opentelemetry_sdk-node._opentelemetry_api.DiagAPI.html" class="tsd-signature-type tsd-kind-class">DiagAPI</a></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in api/build/src/api/diag.d.ts:11</li></ul></aside></div></li></ul></section></section></details></div><div class="col-sidebar"><div class="page-menu"><div class="tsd-navigation settings"><details class="tsd-accordion"><summary class="tsd-accordion-summary"><h3><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>Settings</h3></summary><div class="tsd-accordion-details"><div class="tsd-filter-visibility"><span class="settings-label">Member Visibility</span><ul 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