Declarative YAML reference
Documentation status: reference — see Maturity and evidence.
This section presents the recommended YAML forms for metadata examples.
Structural rules
- a named key carries the
DisplayNamewhen the grammar allows it; - a compact scalar carries the
DisplayValuewhen the grammar allows it; - a polymorphic list requires an explicit item type;
- a value beginning with
#must be quoted; text:andcdata:are reserved for XML textual content;- historical XML shortcuts must not be invented in new YAML.
Pages: Class, Concepts, Actions, Events, Collections, States, Indexes.