To add Custom Field to Variant in Mobile Application, Follow the below mentioned Steps:
Step 1: Click on More in the Taskbar >> Select Custom Columns in the Settings.
Step 2 : Click on Add New Column
Step 3 : Fill the Details “Column Name, Select Type and Applicable for” in the given Section.
Document type : You can select the “Document type” for which you want to display the details in the particular document only.
Example: We have added “MRP” as Column Name, “Number” as Type and Applicable for “Variant”.
Step 4 : Click on Save.
Step 5: Custom field will be added to the variant. You can set your prices on the product page or while creating an invoice.