# Parameterization in Eggplant Performance using data table

**URL:** <https://forums.eggplantsoftware.com/t/parameterization-in-eggplant-performance-using-data-table/7689>\
**Category:** Eggplant Performance\
**Tags:** eggplant-performance\
**Created:** [October 20, 2021, 4:47am UTC](https://forums.eggplantsoftware.com/t/parameterization-in-eggplant-performance-using-data-table/7689 "2021-10-20T04:47:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![kavijosh0201](https://forums.eggplantsoftware.com/letter_avatar_proxy/v4/letter/k/3be4f8/32.png) [@kavijosh0201](https://forums.eggplantsoftware.com/u/kavijosh0201)\
**Post date:** [October 20, 2021, 4:47am UTC](https://forums.eggplantsoftware.com/t/parameterization-in-eggplant-performance-using-data-table/7689/1 "2021-10-20T04:47:05Z")

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How can I assign a data file of user logins so that every virtual user can use the unique id and password within a single injector?

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**Author:** ![jennifer986block](https://forums.eggplantsoftware.com/letter_avatar_proxy/v4/letter/j/d07c76/32.png) [@jennifer986block](https://forums.eggplantsoftware.com/u/jennifer986block)\
**Post date:** [February 18, 2025, 11:49am UTC](https://forums.eggplantsoftware.com/t/parameterization-in-eggplant-performance-using-data-table/7689/5 "2025-02-18T11:49:15Z")

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Hello,  
To assign a data file of user logins so that each virtual user can use a unique ID and password within a single injector, you can use a CSV file and parameterize the virtual users to read from it.

1. **Create a CSV file** with columns for ID and password.
2. **Configure your injector** (e.g., JMeter) to read the CSV file.
3. **Set up a CSV Data Set Config** in the injector to read unique rows for each virtual user.

This ensures each virtual user gets a unique login.

Best regards,  
Jennifer Block