How to set up two custom field linkage

[zhaoyawei]

How to set two custom fields (whether to apply for the project manager field and project manager), when the application manager field selection application is requested, the project manager field is hidden; when the application manager field selection is not applied, the project manager field initializes a value , No default initialization, direct configuration settings.

[Nic Brough -Adaptavist-]

This is the same question as https://community.atlassian.com/t5/Jira-questions/How-to-determine-the-value-of-drop-down-options-and-compare/qaq-p/784306 which has an answer.