# Metrics board
## **0. Open the Metrics Board**
Click the Metrics Board button on the toolbar to open the Metrics Board.\
Open Metrics Board
Metrics board settings:
metrics board settings
## 1. Create a simple bar/line chart
You can add a bar chart or a line chart by click the + button on the toolbar or using your right mouse click.
simple bar chart
* Click the object to show the settings.
* Enter the SQL Query, Ex: SELECT 2 as a;
* Config the refresh rate:\
\- After xx seconds: The chart will be reloaded after xx seconds.\
\- Refresh on event: The chart will be reloaded on an event (which is sent from an input field).\
\- Do not refresh: The chart will not be reloaded, you can reload it manually by click the refresh button at the bottom left.
## 2. Create a data table view
The data view config is similar to charts
## 3. Create an input field
Before creating an input field, you must create a chart or a table data view, which has query parameters and the refresh rate: Refresh on Event.
data view with a query parameter
Create an input field
input field
* You must config the name of the variable.
* You must create a connection to the object.
* The object must have the refresh rate: Refresh on Event.
