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

Add default values to user-defined input field for more flexible control of input parameters。
In actual development, additional parameters have been added, and compatibility with different versions needs to be considered. If default values can be specified, it would be much more convenient.

2. Additional context or comments

No response

3. Can you help us with this feature?

• I am interested in contributing to this feature.