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To create an Action File, follow these steps: Create a new text document. Input the command that you want to use. Save the file as <file_name>.action in the Actions directory of your PreShow Experience content folder. You can also find pre-built Actions for different home automation solutions in the Downloads section of our website. If you have any improvements or new Actions that you create, please share them with us. We can host them on the site for others to use. Action Files use the following Syntax, Methods, and Protocols: Syntax: Use "#" at the beginning of a line to ignore the contents of that line. Use "<protocol>://" at the beginning of a line to specify the protocol for that command. Use "<method>:" at the beginning of a line to specify the method for that command. Protocols: Currently supported protocols: "http://" or "https://": Passes JSON commands via a URL. "addon://": Runs a script or add-on. "command://": Runs a command or application at the OS level and pass arguments. "module://": Runs a Python script with a main() method that is imported and called. "python://": Run a Python script. "sleep://<milliseconds>": Pauses the Action File for the specified time in milliseconds. Methods: Currently supported methods to communicate with the target device or application: "HEADERS:": Sends header information. "POST:": Sends a POST command to create information. "PUT:": Sends a PUT command update information. "DELETE:": Sends a DELETE command to delete information. Actions in Action Files can be single-line or multiple-line commands. Blank lines are used to separate commands. The first line of any Action is the Execution Line. The line following the Execution Line can be a Headers Line or a Data Line. Headers Line: Specifies the content type or any other headers. Prefix the line with "HEADERS:". Data Line: Used to pass arguments or data. Prefix the line with the desired Method ("POST:", "PUT:", or "DELETE:"). If no method is specified, the default method used is POST. Examples Example 1: Sending a JSON command via URL # This is a comment http://api.example.com/endpoint?param1=value1&param2=value2 Example 2: Running a script or add-on by add-on ID with arguments addon://1234567890?arg1=value1&arg2=value2 Example 3: Running a command or application at the OS level with arguments command://path/to/executable --option1 value1 --option2 value2 Example 4: Running a Python script with a main() method that is imported and called module://path/to/script.py Example 5: Calling a normal Python script via the operating system python://path/to/script.py Example 6: Adding a sleep (pause) of 500 milliseconds before moving to the next action sleep://500 Example 7: Sending a POST command with data and headers to activate a Home Assistant Webhook https://YOUR_DNS_HOSTNAME.com/api/services/scene/turn_on HEADERS: {"Authorization": "Bearer LLATStringOfRandomCharacters", "Content-Type": "application/json"} POST: {"entity_id": "scene.movie_start"} Example 8: Sending a PUT command to change Hue brightness http://<hue-bridge-ip>/api/<hue-bridge-user>/groups/<hue-light-group>/action PUT:{"on":true,"bri":40,"transitiontime":10} Example 9: Sending a PUT command to turn off Hue light http://<hue-bridge-ip>/api/<hue-bridge-user>/groups/<hue-light-group>/action PUT:{"on":false,"transitiontime":30} These examples demonstrate various use cases and combinations of syntax, methods, and protocols in Action Files.