--- type: "operation" title: "extension-operationdefinition-allowed-type $populate" resource: "extension-operationdefinition-allowed-type" operation: "populate" --- # operationdefinition $populate Populate Questionnaire **Description:** Limited implementation of the Populate Questionnaire implementation **Comments:** Only implemented for Labs and Medications so far **System:** false **Type:** false **Instance:** true **URL:** http://hl7.org/fhir/OperationDefinition/example ## Parameters - **subject** [in] 1..1 Reference — The resource that is to be the *QuestionnaireResponse.subject*. The [[[QuestionnaireResponse]]] instance will reference the provided subject. In addition, if the *local* parameter is set to true, server information about the specified subject will be used to populate the instance. - **local** [in] 0..1 Reference — If the *local* parameter is set to true, server information about the specified subject will be used to populate the instance. - **return** [out] 1..1 QuestionnaireResponse — The partially (or fully)-populated set of answers for the specified Questionnaire