Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


get-input() Function (SLAX and XSLT) and get_input() (Python)


Python Syntax

SLAX Syntax

XSLT Syntax


Invoke a CLI prompt and wait for user input. The user input is defined as a string for subsequent use. If the script is run non-interactively, the function returns an empty value. This function cannot be used with commit or event scripts.

The prefix associated with the namespace URI should be defined in the prefix-to-namespace mapping in the style sheet.


If the jcs.get_input string argument includes a null character sequence (\0), Python automation scripts generate an Invalid number of arguments error.



CLI prompt text.

Return Value


Text typed by the user and stored as a string. The return value will be empty if the script is run non-interactively.

Usage Examples

In the following SLAX example, the user is prompted to enter a login name. The user’s input is stored in the variable $username.

In Python:

Release Information

Function introduced in Junos OS Release 9.4.

Support for the slax namespace added in Junos OS Release 12.2.

Support for Python added in Junos OS Release 16.1R1 on QFX Series switches and ACX Series, MX Series, PTX Series, and T Series routers.

Support for Python added in Junos OS Release 17.1R1 on ACX500, ACX1000, ACX1100, ACX2000, ACX2100, ACX2200, and ACX4000 routers, and EX Series switches.

Support for Python added in Junos OS Release 17.3R1 on SRX1500, SRX4100, SRX4200, SRX5400, SRX5600, and SRX5800 devices and vSRX instances.

Support for Python added in Junos OS Release 18.3R1 on ACX5048 and ACX5096 routers.