Adding a parameter to a chart in Yandex DataLens
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Updated at June 2, 2026
Note
- Parameters added at the chart level are only available in this chart.
- If a dataset has a parameter with the same name, the chart parameter is ignored.
To add a parameter to a chart:
Warning
If you use the new DataLens object model with workbooks and collections:
- In the left-hand panel, select Collections and workbooks.
- Open the workbook you need and select an object.
Proceed with this guide from Step 2.
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In the left-hand panel, click Charts and select the chart to add a parameter to.
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On the left side of the screen above the list of dataset fields, click and select Parameter.
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In the Add parameter window, specify:
- Name: Sets the parameter name.
- Type: Defines the parameter data type: Date, Date and time, Fractional number, Boolean, String, or Integer.
- Default value: This is a required value. It is used when no parameter value is set on the dashboard, chart URL, or chart settings.
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Click Add.
Changing the default value
You can change the default value of a dataset parameter at the chart level:
- Click the icon to the left of the parameter name.
- In the Edit parameter window, set a new parameter value.
- Click Save.
Resetting the default value
To reset the default parameter value from the dataset:
- Click the icon to the left of the parameter name.
- In the Edit parameter window, click Initial value. The default parameter value will be reset to its original value from the dataset.
- Click Save.
You can also create parameters at the dataset level.