...
| Parameter | Type | Mandatory | Description | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| button | Constant |  | A constant defining which button to display:
|
Return value
| Value | Type | Description |
|---|---|---|
undefined | Undefined | The reticule button was added (or was already present) |
| <error> | Error | The "button" parameter contained an invalid constant. |
Example
| Code Block | ||||||||
|---|---|---|---|---|---|---|---|---|
| ||||||||
setTutorialMode(true); addReticuleButton(RESEARCH); |
...