# KX Capstone Project Question 1.5

**URL:** <https://forum.kx.com/t/kx-capstone-project-question-1-5/12760>\
**Category:** Community Support\
**Tags:** imported\
**Created:** [December 28, 2022, 3:44am UTC](https://forum.kx.com/t/kx-capstone-project-question-1-5/12760 "2022-12-28T03:44:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![mdraidz1](https://avatars.discourse-cdn.com/v4/letter/m/4491bb/32.png) [@mdraidz1](https://forum.kx.com/u/mdraidz1)\
**Post date:** [December 28, 2022, 3:44am UTC](https://forum.kx.com/t/kx-capstone-project-question-1-5/12760/1 "2022-12-28T03:44:00Z")

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Hey, I am having an issue with the Fundamentals Capstone course for question 1.5.

I passed a list to the ‘getOptionRef’ API but can’t get any outputs. If i specify a symbol from the option\_id, it works.

**Below is my code:**

**Error message :**

Grateful for any clarifications!

Do drop me a private message if any of you would like to connect too.

Thanks again.

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**Author:** ![rocuinneagain1](https://avatars.discourse-cdn.com/v4/letter/r/fbc32d/32.png) [@rocuinneagain1](https://forum.kx.com/u/rocuinneagain1)\
**Post date:** [December 28, 2022, 4:54pm UTC](https://forum.kx.com/t/kx-capstone-project-question-1-5/12760/2 "2022-12-28T16:54:00Z")

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The syntax you need is:

refServiceHandle(`getOptionRef;uniqueOpts)

This will pass the local variable down to the remote function as a parameter.

&nbsp;

I’ve added a pull request to have this documented better:

https://github.com/KxSystems/docs/pull/85

&nbsp;

Q for Mortals has some notes already:

https://code.kx.com/q4m3/1\_Q\_Shock\_and\_Awe/#119-interprocess-communication-101

&nbsp;

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<div class="post-metadata">

**Author:** ![mdraidz1](https://avatars.discourse-cdn.com/v4/letter/m/4491bb/32.png) [@mdraidz1](https://forum.kx.com/u/mdraidz1)\
**Post date:** [December 29, 2022, 10:14am UTC](https://forum.kx.com/t/kx-capstone-project-question-1-5/12760/3 "2022-12-29T10:14:00Z")

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Understood. Thank you very much!&nbsp;