With datatable section, you can add parameters to a scenario and define several datasets.
To add a new parameter, add a new column with its name. Name of a parameter should not contain any special character or space.
Then, you can add as many datasets (line) as you want. It enables you to execute the same scenario but with different pools of data. One test is generated by dataset. Make sure that you assign a value to each cell of the datatable otherwise you will get an error.
Given the scenario Sign in Workflow
with the following datatable
two test instances are generated
See Generate tests section for more information on the relationship between scenario, datatable and test.