# Constructing a default value for a tool input

**URL:** <https://cwl.discourse.group/t/constructing-a-default-value-for-a-tool-input/161>\
**Category:** CWL Questions\
**Created:** [June 24, 2020, 1:15am UTC](https://cwl.discourse.group/t/constructing-a-default-value-for-a-tool-input/161 "2020-06-24T01:15:34Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![mrc](https://yyz2.discourse-cdn.com/free1/user_avatar/cwl.discourse.group/mrc/32/3_2.png) [@mrc](https://cwl.discourse.group/u/mrc)\
**Post date:** [February 18, 2026, 9:38am UTC](https://cwl.discourse.group/t/constructing-a-default-value-for-a-tool-input/161/6 "2026-02-18T09:38:02Z")

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2 posts were split to a new topic: [Default value for a `type: File` with `secondaryFiles`](https://cwl.discourse.group/t/default-value-for-a-type-file-with-secondaryfiles/1031)

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_[View the full topic](https://cwl.discourse.group/t/constructing-a-default-value-for-a-tool-input/161)._