This screencast gives miscellaneous tips when writing Rules plugins, such as:
- Some words on declaring new data types for Rules
- How to restrict access to plugins
- How to form alter plugin configuration forms
- How to provide additional form validation
- How to use the "base" property to provide a non-default callback function
- How to invoke events programmatically with all arguments in a single array
- How to use drupal_static() to share variables/values with other parts of Drupal
Modules: