add skin function help

[troublemaker52025]

Re: #

Changelog

---

Continuous Integration

This pull request:

• needs automatic test cases check.

  Manual trigger with @cocos-robot run test cases afterward.

• does not change any runtime related code or build configuration

  If any reviewer thinks the CI checks are needed, please uncheck this option, then close and reopen the issue.

---

Compatibility Check

This pull request:

• changes public API, and have ensured backward compatibility with deprecated features.
• affects platform compatibility, e.g. system version, browser version, platform sdk version, platform toolchain, language version, hardware compatibility etc.
• affects file structure of the build package or build configuration which requires user project upgrade.
• introduces breaking changes, please list all changes, affected features and the scope of violation.

[troublemaker52025]

@cocos-robot run test cases

[github-actions]

Interface Check Report

This pull request does not change any public interfaces !

[sushanhong]

@cocos-robot run test cases

[github-actions]

@troublemaker52025, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v3.8.0
• Task Result: FAIL
• Task URL: http://cctest.cocos.org/#/reportview/PR-TEST/e209f04b-2af7-4931-942f-f3f8d4622069/-1
• GitHub Action: https://github.com/cocos/cocos-engine/actions/runs/5539702467

Task Details

Platform	build	boot	runned	crashScene	FailScene
web-mobile	PASS	PASS	PASS
windows	PASS	PASS	FAIL		label-cacheMode,label-align,ttf-font
ios	PASS	PASS	PASS
android	PASS	PASS	PASS
mac	PASS	PASS	PASS

[github-actions]

@troublemaker52025, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v3.8.0
• Task Result: FAIL
• Task URL: http://cctest.cocos.org/#/reportview/PR-TEST/13f4c2e2-27d0-48f3-9d4b-0262365f53f0/-1
• GitHub Action: https://github.com/cocos/cocos-engine/actions/runs/5540344876

Task Details

Platform	build	boot	runned	crashScene	FailScene
web-mobile	PASS	PASS	PASS
windows	PASS	PASS	FAIL		label-cacheMode,label-align,ttf-font
ios	PASS	PASS	PASS
android	PASS	PASS	PASS
mac	PASS	PASS	PASS

[github-actions]

@troublemaker52025, Please check the result of run test cases:

• Test Platform: PR-Test
• Editor Version: v3.8.0
• Task Result: FAIL
• Task URL: http://cctest.cocos.org/#/reportview/PR-TEST/210a1515-b023-4799-acfd-a7100a3b88b8/-1
• GitHub Action: https://github.com/cocos/cocos-engine/actions/runs/5540719532

Task Details

Platform	build	boot	runned	crashScene	FailScene
web-mobile	PASS	PASS	PASS
windows	PASS	PASS	FAIL		label-cacheMode,label-align,ttf-font
ios	PASS	PASS	PASS
android	PASS	PASS	PASS
mac	PASS	PASS	PASS