logic to create Physical Inventory Document for multiple material using eCATT test script

Could you please, suggest us the logic to create Physical Inventory Document for multiple material using eCATT test script.

1. After entering basic data in the initial screen of T code: MI01, click enter,

2. The user need to enter the below detail in the "Create Physical Inventory Document: New Items" screen for multiple row (N number of Rows)

Material                     : MATNR

Batch                              : CHARG_D

Stock Type                    : I_BSTAR

Alternate unit                    : XAMEI

Batch Determination          : KZCHA

3. Click Save icon.

Note: We have to import using external data file having single data set for initial screen and multiple data set for second screen.

Thanks,