How to setting read only payment currency field

1. Go to Main Menu → General → Field Access

2. Click “New Field Access”

3. Field name you can know from export field in that module by go to customer payment or supplier payment and click Export the field name.

1. Field Code = Name
2. Field Label = String

4. Go to menu Main Menu → Access control → Profiles  and select field the field setting you have done on menu field and select the profile which profile can only read currency field. As follow step,