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FHIR Infrastructure Work GroupMaturity Level: 2 Trial UseCompartments: Not linked to any defined compartments

This resource has 1 operation associated with it:

$transformModel Instance Transformation

For more information about operations, including how they are invoked, see Operations.

The transform operation takes input content, applies a structure map transform, and then returns the output.

The official URL for this operation definition is

Formal Definition (as a OperationDefinition).

URL: [base]/StructureMap/$transform

URL: [base]/StructureMap/[id]/$transform

This is an idempotent operation

In Parameters:

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


The logical content to transform

Out Parameters:

The result of the transform

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 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

Transform input model (Request):

POST [base]/StructureMap/example/$tansform
Content-Type: text/xml

<classA xmlns="">


HTTP/1.1 200 OK
Content-Type: application/xml
[other headers]

<message xmlns="">
  <testValue value="value"/>