Get All Screen Tab Fields

Returns all fields for a screen tab.**[Permissions](#permissions) required:** * *Administer Jira* [global permission](https://confluence.atlassian.com/x/x4dKLg). * *Administer projects* [project permission](https://confluence.atlassian.com/x/yodKLg) when the project key is specified, providing that the screen is associated with the project through a Screen Scheme and Issue Type Screen Scheme.