step — A unit of action in a procedure.


step ::= [-]


Common attributes.

Additional attributes:

  • performance (enumeration)
    • “optional”
    • “required”

Additional Constraints

  • If this element is the root element, it must have a version attribute.


A step identifies a unit of action in a procedure. If a finer level of granularity is required for some steps, you can embed substeps in a step. Embedded substeps contain steps so that substeps can be nested to any depth.

Processing expectations

Formatted as a displayed block. The steps are almost always numbered.


Common attributes.


Specifies if the content is required or optional.

Enumerated values:

The content describes an optional step or steps.


The content describes a required step or steps.


These elements contain step: procedure, stepalternatives, substeps.

Children [+]

This element contains 66 elements.
Last revised by Norman Walsh on 6 Jun 2011 (git hash: 6ffcc7640bbc5f852a318e452c9f210f03292cb9)