# On-prem files - Append line to CSV file action
The Append line to CSV file action appends a new line to an existing on-prem CSV file.
AVOID CONCURRENT USAGE
Using this action on the same CSV file from multiple recipes concurrently or with a concurrency setting greater than 1 may corrupt the file.
# Input
| Input field | Description |
|---|---|
| CSV file | Select or manually enter the relative path to the CSV file to append lines to. |
| Column delimiter | Select the character used to separate column values within each CSV row. |
| Quote character | Select the character used to quote cell values. Set to None if no quote character is used. |
| File encoding | Select the encoding for the CSV file. This field defaults to UTF-8. |
# Output
| Output field | Description |
|---|---|
| File path | The path of the file, relative to the base path defined in your connection profile. For example: /my-profile/path/report.csv. |
| File size (bytes) | The size of the file in bytes. |
| Last modified time | The time the file was last modified. This value is set by your OS. |
Last updated: 5/21/2025, 5:22:32 AM