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Feature Request: Add Cascading Dropdown Filter for Workflow Input Parameters #19485

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opened 2026-02-21 20:00:22 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 20:00:22 -05:00
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Originally created by @gxx-ljy on GitHub (Oct 16, 2025).

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • Please do not modify this template :) and fill in all the required fields.

1. Is this request related to a challenge you're experiencing? Tell me about your story.

Currently, in Dify workflow input parameter settings, when configuring two or more dropdown (Select) fields, they operate independently without cascading filter capability. For example, when users select a "province" in the first dropdown, the second "city" dropdown cannot dynamically update to show only cities within that selected province.

This limitation restricts the creation of complex forms where subsequent options depend on previous selections. Users are forced to list all possible combinations upfront, which is inflexible and provides poor user experience.

2. Additional context or comments

No response

3. Can you help us with this feature?

  • I am interested in contributing to this feature.
Originally created by @gxx-ljy on GitHub (Oct 16, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] Please do not modify this template :) and fill in all the required fields. ### 1. Is this request related to a challenge you're experiencing? Tell me about your story. Currently, in Dify workflow input parameter settings, when configuring two or more dropdown (Select) fields, they operate independently without cascading filter capability. For example, when users select a "province" in the first dropdown, the second "city" dropdown cannot dynamically update to show only cities within that selected province. This limitation restricts the creation of complex forms where subsequent options depend on previous selections. Users are forced to list all possible combinations upfront, which is inflexible and provides poor user experience. ### 2. Additional context or comments _No response_ ### 3. Can you help us with this feature? - [ ] I am interested in contributing to this feature.
yindo added the 💪 enhancement🌊 feat:workflow labels 2026-02-21 20:00:22 -05:00
yindo closed this issue 2026-02-21 20:00:22 -05:00
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Reference: langgenius/dify#19485
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