| Code | Display | Definition |
| create | create | create(type : string) - type is passed through to the application on the standard API, and must be known by it |
| copy | copy | copy(source) |
| truncate | truncate | truncate(source, length) - source must be stringy type |
| escape | escape | escape(source, fmt1, fmt2) - change source from one kind of escaping to another (plain, java, xml, json). note that this is for when the string itself is escaped |
| cast | cast | cast(source, type?) - case source from one type to another. target type can be left as implicit if there is one and only one target type known |
| append | append | append(source...) - source is element or string |
| translate | translate | translate(source, uri_of_map) - use the translate operation |
| reference | reference | reference(source : object) - return a string that references the provided tree properly |
| dateOp | dateOp | Perform a date operation. *Parameters to be documented* |
| uuid | uuid | Generate a random UUID (in lowercase). No Parameters |
| pointer | pointer | Return the appropriate string to put in a reference that refers to the resource provided as a parameter |
| evaluate | evaluate | Execute the supplied fluentpath expression and use the value returned by that |
| cc | cc | Create a CodeableConcept. Parameters = (text) or (system. Code[, display]) |
| c | c | Create a Coding. Parameters = (system. Code[, display]) |
| qty | qty | Create a quantity. Parameters = (text) or (value, unit, [system, code]) where text is the natural representation e.g. [comparator]value[space]unit |
| id | id | Create an identifier. Parameters = (system, value[, type]) where type is a code from the identifier type value set |
| cp | cp | Create a contact details. Parameters = (value) or (system, value). If no system is provided, the system should be inferred from the content of the value |