CPGCQL

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    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h2>CPGCQL</h2><p>OPERATION: CPGCQL</p><p>The official URL for this operation definition is: </p><pre>http://hl7.org/fhir/uv/cpg/OperationDefinition/cpg-cql</pre><div><p>Evaluates a CQL expression and returns the results as a Parameters resource.</p>\n</div><p>URL: [base]/$cql</p><p>Parameters</p><table class=\"grid\"><tr><td><b>Use</b></td><td><b>Name</b></td><td><b>Cardinality</b></td><td><b>Type</b></td><td><b>Binding</b></td><td><b>Documentation</b></td></tr><tr><td>IN</td><td>subject</td><td>0..1</td><td><a href=\"http://hl7.org/fhir/R4/datatypes.html#string\">string</a><br/>(<a href=\"http://hl7.org/fhir/R4/search.html#reference\">reference</a>)</td><td/><td><div><p>Subject for which the expression will be evaluated. 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This typically corresponds to the name of a parameter in a library, or the name of a prefetch item in a CDS Hooks discovery response</p>\n</div></td></tr><tr><td>IN</td><td>prefetchData.descriptor</td><td>0..1</td><td><a href=\"http://hl7.org/fhir/R4/metadatatypes.html#DataRequirement\">DataRequirement</a></td><td/><td><div><p>A DataRequirement describing the content of the prefetch item.</p>\n</div></td></tr><tr><td>IN</td><td>prefetchData.data</td><td>0..1</td><td><a href=\"http://hl7.org/fhir/R4/bundle.html\">Bundle</a></td><td/><td><div><p>The prefetch data as a Bundle. If the prefetchData has no prefetchResult part, it indicates there is no data associated with this prefetch item.</p>\n</div></td></tr><tr><td>IN</td><td>dataEndpoint</td><td>0..1</td><td><a href=\"http://hl7.org/fhir/R4/endpoint.html\">Endpoint</a></td><td/><td><div><p>An endpoint to use to access data referenced by retrieve operations in the library. 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