How to edit a field "Optional Children Are Mutually Exclusive" in structure

Summary:

Hi, we try to edit a some fiels as

• Minimum Quantity
• Maximum Quantity
• Default Quantity
• Optional Children Are Mutually Exclusive
• Required When Parent Is Selected

in structure, but I don't see this field in structure

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):
24D

Code Snippet (add any code snippets that support your topic, if applicable):