# | Name | Source | Ver | Description | |
1 | Parameters Definition for parameter | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | This specifies the definition for a parameter if needed. This is useful for communicating the type of a parameter when the parameter has no value. | |
2 | Parameters FullUrl for resource | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | This specifies the fullUrl for the resource in parameters.resource, if there is one. When fullUrl is provided, ithe [resource resolution method described for Bundle](bundle.html#references). |
1 | 2 | |
Extension | C D | C D |
Extension.extension | C | C |
Extension.url | F | F |
Extension.value[x] | C | C |
Produced 08 Sep 2023