Device Enablement File

How to create or get DEF file inorder to start iOS automation using Appium Studio? Please help me on this topic
Note: I have Apple Developer account

You can generate a DEF file using XDef CLI utility tool.
You can go to the path: C:\Program Files (x86)\Experitest\AppiumStudio from your command line.
From here, you will be able to run xdef commands.
Please refer the following documentation to know how to create a def file using xdef commands:

First you have to create a devices file which will have udid and name of the devices like the one below.

Then, you can use the xdef def command as mentioned in the documentation to create a DEF file.

Chinni Sai Harshith