Updating Action docs
diff --git a/README.md b/README.md
index df3e276..59604b4 100644
--- a/README.md
+++ b/README.md
@@ -81,12 +81,15 @@
### create & update action
```
-ow.actions.create({actionName: '...'})
-ow.actions.update({actionName: '...'})
+ow.actions.create({actionName: '...', action: 'function main() {};'})
+ow.actions.update({actionName: '...', action: 'function main() {};'})
```
+The following mandatory parameters are supported:
+- `actionName` - action identifier
+- `action` - String containing JS function source code or JSON object containing full parameters for the action body
+
The following optional parameters are supported:
-- `action` - JSON object containing parameters for the action body (default: `{}`)
- `namespace` - set custom namespace for endpoint
### fire trigger
