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MQTT Publish
Action Configuration View » Action Components » MQTT Publish
The MQTT Publish Action Component allows you to publish messages to topics within an MQTT PubSub system. Output Payload Explanation cv.Payload Outputs the output payload of the previous component as is. (Pass through) Component…
Action Component Behavior
Action Configuration View » Action Component Behavior
The action component has two component variables (cv.): the input payload (cv.Payload) and the output payload (cv.Payload). You can use it as the input payload (cv.Payload) when used in Pre-Mapping and as the output payload (cv.Payload) when used in…
MQTT Subscriptions
Introduction » What is Gravio? » Hub Configuration View » Device Tab » MQTT Subscriptions
You can subscribe to topics from an MQTT broker. These incoming messages would then be treated like sensor input data. To create an MQTT layer, click on the MQTT button on the top right of the screen: This will open the overview of your available MQTT Brokers. You…
Google Cloud MQTT
Appendix » Google Cloud MQTT
Here are some examples of how you can publish messages to the Google Cloud MQTT system Go to the Google Cloud console and create a project: Moving to the IoT core on Google Cloud Platform Enable the Google IoT Core API. Create a device registry Enter…
Action Components
Action Configuration View » Action Components
An action consists of one or more steps. Each step can be populated with action components and define inputs and outputs. This section describes the different components available and explains how to use them.
Writing an Action
Action Configuration View » Writing an Action
Double-clicking on your Action in the Actions Overview will open your Action Editor. This is where you put your actions together. Actions consist of separate steps which you can string together, create “decision trees” and create inputs and outputs. The…
Action Configuration View
Action Configuration View
The Gravio HubKits can trigger Actions. You can think of an Action like a small and simple computer program, that’s made up of Steps. Actions can be created in the Action Editor which can be opened by clicking on the Action Editor icon: You can find these…
Referring to the value of a Object variable in an Action
Action Configuration View » Referring to the value of a Object variable in an Action
If you like to refer to the value of a variable of type Object available in an action, you can access the element with a selector or square brackets connected to the variable with a dot. As an example of an Object type variable, if you use IVAR’s face…
Hub Configuration View
Introduction » What is Gravio? » Hub Configuration View
If you double click on the upper half of the Server card, you will get to the Hub Configuration view: At the top you can find a number of buttons such as: A plus sign button to create new physical Areas to group your Layers An edit button to edit an Area or…
Sleep
Action Configuration View » Action Components » Sleep
The Sleep Action Component is to insert a pause between the two steps of the action. Output Payload Description cv.Payload Outputs the output payload of the previous component as is. (Pass-through) Component…
File Write
Action Configuration View » Action Components » File Write
The File Write Action Component is to write data to a file. Component Properties Name Required Description Filename False Filename to be written. Append True Append new data instead of replacing the file.…
File Read
Action Configuration View » Action Components » File Read
The File Read Action Component is to read a file. Component Properties Name Required Description Filename False Filename of the file to be read. The file has to be inside these folders: On Windows:…
Debug Log
Action Configuration View » Debug Log
Press the button at the top left of the component to output the debug log. By nature, components run independently and in parallel, but when executing an action while outputting debug logs, they are synchronized within the action engine. The debug log outputs the…
File List
Action Configuration View » Action Components » File List
The File List Action Component is to get a list of files that match the pattern. Component Properties Name Required Description Pattern True Pattern IncFILE False Include Files IncDIR False …
File Delete
Action Configuration View » Action Components » File Delete
The File Delete Action Component is to delete a file. Component Properties Name Required Description Filename False Filename All True All. The value of cp.All can be either “true” or “false…
Service Architecture
Introduction » Service Architecture
Gravio consists of the following application modules: Gravio Studio, a Windows, macOS and iOS application to view, edit and configure the server infrastructure. Gravio HubKit, a server software installed on the edge device (Windows, macOS or Linux) to retrieve…
Log Viewer Tab
Introduction » What is Gravio? » Hub Configuration View » Log Viewer Tab
In the Log Viewer tab you can access or download the log files that Gravio produces. They are mainly used for debugging. The logs include: Actmgr – containing any logs the Actions and Steps produce Blemgr – Bluetooth related logs Ctrlmgr –…
Sound Effect
Action Configuration View » Action Components » Sound Effect
The Sound Effect Action Component is to play a sound effect. Output Payload Description cv.Payload Outputs the output payload of the previous component as is. (Pass-through) Component…
GravioLight
Action Configuration View » Action Components » GravioLight
The Gravio Light Action Component is to control a Gravio Lights. For this component to work, you must have the Gravio Lights paired in advance. Output Payload Description cv.Payload Outputs the output payload of the previous component as…
AWS S3 Download
Action Configuration View » Action Components » AWS S3 Download
The AWS S3 Download Action Component is to download content from Amazon AWS S3. Component Properties Name Required Description Output True Specify whether to keep the content in the Payload variable of the Action or as a file.…
Template
Action Configuration View » Action Components » Template
The Template component is a component that generates a string (text) from a specified template using placeholders. The template syntax is a GoLang standard described on https://golang.org/pkg/text/template/ . tp. / tv. / ap. / av. / cp. / cv. are all referable to…
Join
Action Configuration View » Action Components » Join
The Join Action Component is to join multiple inputs into an array. Output Payload Description cv.Payload Combined array Component Properties Name Required Description Capacity False Specifies how…
AqaraSmartPlug
Action Configuration View » Action Components » AqaraSmartPlug
The Aqara Smart Plug Action Component is to control an Aqara smart plug device. To use this device, you must have the Aqara Smart Plugs paired in advance. Output Payload Description cv.Payload Outputs the output payload of the previous…
Available Variables in Actions
Action Configuration View » Available Variables in Actions
Think of the Action Steps as connectable parts that have an input and an output pipe. Each Step waits for incoming objects (in cv.Payload) it can then process and pass on through the output pipe to the next Step. Before processing the Step, you can Pre-Map and after…
Google Analytics Send Event
Action Configuration View » Action Components » Google Analytics Send Event
The Google AnalyticsSendEvent component sends events using the Google Analytics Measurement Protocol. For details of Measurement Protocol and parameters, please refer to this link. Checking “Debug Mode” puts you in debug mode. In debug mode, if…
How to write expressions in Pre Mappings / Post Mappings
Action Configuration View » How to write expressions in Pre Mappings / Post Mappings
Each action component in the Action Editor has a pre Pre Mappings / Post Mappings area on the right side of the screen: Press the “+” button to add a new line to either the Pre-Mappings or the Post-Mappings. Pre Mappings are executed before the main…
Device Tab
Introduction » What is Gravio? » Hub Configuration View » Device Tab
In the Devices tab, you manage the devices connected to a HubKit by adding, removing and configuring them, including their physical location. In order to keep the data stores organised and efficient, Gravio features two dimensions how to place and assign…
TwilioSMS
Action Configuration View » Action Components » TwilioSMS
The Twilio SMS Action Component is to send an SMS text message via Twilio. It is useful to notify people of information from sensors. Component Properties Name Required Description To True The number to send the message to, starting…
Slack Files Upload
Action Configuration View » Action Components » Slack Files Upload
The Slack Files Upload action component can use the Slack API to post messages and files to a Slack channel. The authentication happens via the Slack authentication token, which you can retrieve from your Slack Admin console. The Slack Files Upload component can be…
Mail Send
Action Configuration View » Action Components » Mail Send
The Mail Send Action Component is to send email via SMTP. The Mail Send component sends an input payload (cv.Payload) as the body of a mail. It converts the data received by the input payload into a string and sends it as the body of an email. After sending the mail,…
SensorDataDB
Action Configuration View » Action Components » SensorDataDB
The Sensor Data DB Action Component is to read from the Sensor Data DB. Each recorded piece of data gets stored in the Sensor Data DB. With this component, you can query that database. The SensorDataDB component queries data from the SensorDataDB stored in HubKit and…
Exec
Action Configuration View » Action Components » Exec
The RunScript component allows you to run OS standard scripts. If Gravio Server is running on Windows it can run batch files, Linux, Raspbian and macOS can run shell scripts. If it is not Windows, you need to give execute rights to the uploaded file. The uploaded file…
Trigger Parameter Examples
Introduction » What is Gravio? » Hub Configuration View » Trigger Tab » Sensor Event Triggers » Trigger Parameter Examples
Setting the valid time period for triggers Device triggers execute when data arrives, that matches the set conditions. You can specify an interval so that the next execution will not take place until this interval has elapsed from the previous execution time. This is…
MSTeamsPostMessage
Action Configuration View » Action Components » MSTeamsPostMessage
The MSTeamsPostMessage action component can use the Microsoft Teams API to post a message to the channel specified in the component’s properties. How to get the Incoming Webhook URL: Select “Connector” from the “More Options” menu in…
GravioDistance
Action Configuration View » Action Components » GravioDistance
The Gravio Distance component allows you to retrieve distance measurements from the Gravio Laser Distance sensors. To use this component you must have paired the Gravio Laser Distance sensor beforehand. If the Device ID property is empty, the command will be sent to…
PhilipsHue
Action Configuration View » Action Components » PhilipsHue
The Philips Hue Action Component is to send commands to a Philips Hue light device. You need to specify the color and opacity and set the IP address, user ID, and light ID. The IP address can be found by going to https://discovery.meethue.com/. With this…
AWS S3 Upload
Action Configuration View » Action Components » AWS S3 Upload
The AWS S3 Upload Action Component is to upload content to amazon aws s3. Component Properties Name Required Description Input True Upload a payload or a file. To set the value of cp.Input, use either “Payload” or…
Sensor Data DB If Zero
Action Configuration View » Action Components » Sensor Data DB If Zero
The SensorDataDBIfZero component outputs the input payload as the output payload if no rows are retrieved; if any rows are found, it outputs nothing. With the content specified in the property, it searches the sensor DB and executes a filter expression for each matched…
LINE Notify
Action Configuration View » Action Components » LINE Notify
The LINE Notify Action Component is to send a notification via the LINENotify service (https://notify-bot.line.me/). It’s useful to notify people of information from sensors. Component Properties Property Name Description Example…
Slack Post Message
Action Configuration View » Action Components » Slack Post Message
The Slack Post Message Action Component is to post a message to Slack using the Slack API. It can be useful to debug Actions or notifying people. It can be used for sending messages to #channels as well as @people . Component…
Gravo File Path Handling
Appendix » Gravo File Path Handling
Some component properties like FileWrite or SlackFilesUpload are making references to folders and file paths. On this page, we describe how files can be referenced in Gravio. The Default Folder All paths referenced on Gravio refer to the below paths on the respective…
PATLITE
Action Configuration View » Action Components » PATLITE
The Patlite Action Component is to control a PATLITE network device including audio. The watchtower must support HTTP commands. For more information, please visit the Patlite website. https://www.patlite.co.jp/ PATLITEs are useful to control the display according to…
Amazon Polly Speech
Action Configuration View » Action Components » Amazon Polly Speech
The AWS Polly Speech Action Component is to read out text using AWS Polly text-to-speech. Amazon Polly converts input text into life-like speech. This functionality can also be useful for debugging purposes. Note that this functionality may not be available for…
Split
Action Configuration View » Action Components » Split
The Split component is a component that splits the input Payload by line feed if it is a string, or by element if it is a JSON array, and passes it to the next component. The Split component provides the ability to filter whether the output data after the split is…
CSVRead
Action Configuration View » Action Components » CSVRead
The CSV Read component takes CSV data as input, parses it and creates an output payload in the format specified by the Output Format component property (cp.Output). CSVRead has an “Input” property (cp.Input), which allows you to select the data source. If…
Filter
Action Configuration View » Action Components » Filter
The Filter component is a component that filters the data that passes the contents of the input payload to the next component and outputs it to the output payload. You can enter a conditional expression that allows you to pass a test if it’s true, or not. The…
Sound Play
Action Configuration View » Action Components » Sound Play
The Sound Play component allows you to play a specified mp3 file. Output payload Description cv.Payload Outputs the output payload of the previous component as is. (Pass-through) Component Properties Property name…
Statistics
Action Configuration View » Action Components » Statistics
The Statistics component stores the statistics (Min, Max, Mean/Average, Median, Standard Deviation, Sum, Mode) in the component variables with the specified values. If the value specified is an improper value for a number, that value will be excluded from the…
GravioMatrix
Action Configuration View » Action Components » GravioMatrix
The Gravio Matrix component allows you to set text or an image to a Gravio Matrix. To use this component, the Gravio Matrix must be paired beforehand. If the Device ID property is empty, the command will be sent to all connected Gravio Matrices. Output…
WriteToExcel365
Action Configuration View » Action Components » WriteToExcel365
The WriteToExcel365 component can output data to a OneDrive in Excel format. The use of this component requires a contract and pre-configuration of Office365 for Business and OneDrive for Business. How to prepare your Microsoft account Prepare an Office365…
HTTP Request
Action Configuration View » Action Components » HTTP Request
Using the HTTP Request component, you can send an HTTP request to a specified URL. The HTTP Request component executes the HTTP request with the input payload as the Body content of the HTTP request, depending on its properties, and writes the HTTP response Body to…
Time Based Triggers
Introduction » What is Gravio? » Hub Configuration View » Trigger Tab » Time Based Triggers
You can create triggers that are based on times on time-related parameters such as intervals, weekdays, day-of-month, etc. To create a time-based trigger, open the +-icon with the clock on the trigger tab: You will see the following dialogue box: Give your…
Trigger Variables and Properties
Introduction » What is Gravio? » Hub Configuration View » Trigger Tab » Trigger Variables and Properties
Device / timer triggers allow you to pass trigger properties and trigger variables as arguments when performing an action. Trigger variable The trigger variable is a variable in tv., which is passed to the action as tv. In an event-driven trigger by receiving sensor…
Sensor Event Triggers
Introduction » What is Gravio? » Hub Configuration View » Trigger Tab » Sensor Event Triggers
Sensor Triggers Click on the icon on the top right with the plus in the square to create a sensor-based trigger: This will open the trigger popup: Give your trigger a sensible name, we recommend to name it after the condition that triggers the…
CSVWrite
Action Configuration View » Action Components » CSVWrite
CSV Write generates a comma-separated string with the input payload as input. It is not meant to create CSV files for further processing as writing the output to a file will not append, but overwrite it. If you want to populate a CSV file appending new lines of data…
Trigger Tab
Introduction » What is Gravio? » Hub Configuration View » Trigger Tab
In order to have a trigger, it makes sense to have an action first, that you want to trigger with your trigger. You can see how to make actions here. Once you have an action, you can start triggering it using sensor data. There are three types of…
General Gravio Troubleshooting
Troubleshooting » General Gravio Troubleshooting
Symptom Explanation Remedy Comments Gravio Studio is not behaving as expected Gravio Server connection is unstable or Gravio Server is not running Ensure that there is a stable connection between Gravio Studio and the Server is…
CSV File Write
Action Configuration View » Action Components » CSV File Write
CSVFileWrite generates CSV with the input payload as input. The input payload (cv.Payload) accepts input as an array of JSON arrays or an array of JSON Objects. Otherwise, it converts it to a string and outputs it as a one-line, one-column CSV file. Input…
JSONPath() Usage Examples
Action Configuration View » Functions » String Functions » JSONPath() Usage Examples
This section describes an example of using JSONPath(). If the sensor data (cv.Payload) or the argument of the action to be executed in the trigger condition (tv.Data) is in JSON format, you can use JSONPath() to refer to the value. Sample Data { "store": { …
Using the File Viewer
Action Configuration View » Using the File Viewer
Some action components in HubKit are able to read files in the actmgr/data directory and save files in that directory. Files stored in this directory can be retrieved by Gravio Studio, and local files can be uploaded to the directory by Gravio Studio. Use the…
Software Sensors
Introduction » What is Gravio? » Hub Configuration View » Device Tab » Software Sensors
Gravio also supports software sensors. An example for a software sensor could be a camera that detects how many people are in a room and triggers certain Actions if certain thresholds are reached. These sensors are created using software and artificial intelligence…