From GridLAB-D Wiki
GLM file directives are used to define a GridLAB-D model. The following directives are recognized
- Extern Template:NEW30
- The extern directive is used to link external function definition to object variables.
- Instance Template:NEW30
- The instance directive is used to connect two or more GridLAB-D instances in multirun mode.
- Link Template:NEW30
- The link directive is used to connect an instance of GridLAB-D to an external application.
- Modify New in 4.0!
- The modify directive is used to change object properties after they have been created.