Adds a new global variable to the collection. This overload allows the global variable to be created and sets up all publishing target overrides first.

Adds a new global variable and sets its global value.

Publish global variables for given publishing target. This also applies to the publishing target override value for that publishing target.

Removes a global variable.

Validates this entity's data. Implemented by concrete inheriting types.

Validates the user permission on the current entity. Implemented by concrete inheriting types. It is called automatically upon saving an entity.

Retrieves a global variable by its name. The variable names are unique.