Biml Language Reference
VariableResource Element
AstVariableResourceNode is used for creating references to variables that have been modeled in the Biml project.
  Attribute API Type Default Description
VariableName AstVariableBaseNode
This value specifies a direct reference to the target variable.

[.NET API Property: Variable]

Collection Children
  Child API Type Description
    <Annotation />
This is a collection of annotation items that can be used to specify documentation, tags, or other information. Annotations are particularly useful for storing information about nodes that can be used by BimlScript code.

[.NET API Property: Annotations]