Operation Definition

{
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  "id" : "StructureMap-transform",
  "text" : {
    "status" : "extensions",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 2
  },
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    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
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  "title" : "Model Instance Transformation",
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  "date" : "2022-09-07T10:58:29+10:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
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    }]
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  "description" : "The transform operation takes input content, applies a structure map transform, and then returns the output.",
  "affectsState" : false,
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  "comment" : "The input and return are specified as 'Resources'. In most usage of the $transform operation, either the input or return content is not a valid FHIR resource. In these cases, the return type is actually a [Binary](binary.html) resource. For this operation, the Binary resources may be encoded directly, using a mime-type, as shown in the example. Note: this specification does not yet address the means by which the servers may know the correct mime types for the various content involved",
  "resource" : ["StructureMap"],
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  "type" : true,
  "instance" : true,
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    "use" : "in",
    "min" : 0,
    "max" : "1",
    "documentation" : "The structure map to apply. This is only needed if the operation is invoked at the resource level. If the $transform operation is invoked on a particular structure map, this will be ignored by the server",
    "type" : "uri"
  },
  {
    "name" : "content",
    "use" : "in",
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    "max" : "1",
    "documentation" : "The logical content to transform",
    "type" : "Resource"
  },
  {
    "name" : "return",
    "use" : "out",
    "min" : 1,
    "max" : "1",
    "documentation" : "The result of the transform",
    "type" : "Resource"
  }]
}