Can anyone help me to find any classes or methods in java to update field configuration by setting custom field as required.
I have found following method but I am not able to implement updateFieldLayoutItem method.
public void makeRequired(FieldLayoutItem fieldLayoutItem){ if (!getFieldManager().isRequirableField(fieldLayoutItem.getOrderableField())) { throw new IllegalArgumentException("Trying to require a field that is not requireable."); } // When requiring a field make it not hidden final FieldLayoutItem modified = new FieldLayoutItemImpl.Builder(fieldLayoutItem) .setHidden(false) .setRequired(true) .build(); updateFieldLayoutItem(fieldLayoutItem, modified);}