update commands doc

docs/commands.md

@@ -9,7 +9,7 @@ your commands. The following commands are all supported:
 
 ### Set an environment variable
 
-To set an environment variable, use `::set-env`:
+To set an environment variable for future out of process steps, use `::set-env`:
 
 ```sh
 echo ::set-env name=FOO::BAR
@@ -17,6 +17,12 @@ echo ::set-env name=FOO::BAR
 
 Running `$FOO` in a future step will now return `BAR`
 
+This is wrapped by the core exportVariable method which sets for future steps but also updates the variable for this step
+
+```javascript
+export function exportVariable(name: string, val: string): void {}
+```
+
 ### PATH Manipulation
 
 To prepend a string to PATH, use `::addPath`:
@@ -27,6 +33,11 @@ echo ::add-path::BAR
 
 Running `$PATH` in a future step will now return `BAR:{Previous Path}`;
 
+This is wrapped by the core addPath method:
+```javascript
+export function addPath(inputPath: string): void {}
+```
+
 ### Set outputs
 
 To set an output for the step, use `::set-output`:
@@ -46,12 +57,25 @@ steps:
     run: echo ${{ steps.step_one.outputs.FOO }}
 ```
 
-### Masking Values in Logs
+This is wrapped by the core setOutput method:
 
-To mask a value in the logs, use `::add-mask`:
+```javascript
+export function setOutput(name: string, value: string): void {}
+```
+
+### Register a secret
+
+If a script or action does work to create a secret at runtime, it can be registered with the runner to be masked in logs.
+
+To mask a value in the logs, use `::set-secret`:
 
 ```sh
-echo ::add-mask::BAR
+echo ::set-secret::BAR
+```
+
+This is wrapped by the core method which both sets the value as a variable for future steps and registers the secret to mask
+```javascript
+function exportSecret(name: string, val: string): void {}
 ```
 
 Now, future logs containing BAR will be masked. E.g. running `echo "Hello FOO BAR World"` will now print `Hello FOO **** World`.
@@ -59,6 +83,22 @@ Now, future logs containing BAR will be masked. E.g. running `echo "Hello FOO BA
 CAUTION: Do **not** mask short values if you can avoid it, it could render your output unreadable (and future steps' output as well).
 For example, if you mask the letter `l`, running `echo "Hello FOO BAR World"` will now print `He*********o FOO BAR Wor****d`
 
+### Group and Ungroup Log Lines
+
+Emitting a group with a title will instruct the logs to create a collapsable region up to the next ungroup command.
+
+```bash
+echo ::group::my title   
+echo ::ungroup::
+```
+
+This is wrapped by the core methods:
+
+```javascript
+function startGroup(name: string): void {}
+function endGroup(): void {}
+```
+
 ### Log Level
 
 Finally, there are several commands to emit different levels of log output: