The documentation for AACS and the CodeEditor.
Locks a chapter, making it unavailable from the chapter selection menu.
| Name | Type | Description | Required | Default Value | 
|---|---|---|---|---|
| Chapter Number | Number | The number of the chapter. | ✓ | - | 
1:  LockChapter:[4];
All chapters except the chapter with the lowest number start out being locked by default. Thus, this instruction is only required if you need to relock a chapter for whatever reason.