Update Condition Records uisng VK11 for all possible keys of different conditions

Hello All,

I have to update condition records Using VK11 or BAPI for all the possble combination keys (i mean based on the Condition Type Key Combination will be changed).

What will be the best way to achieve this requiremnt BAPI or Direct Input.... ?

for Direct Input can any one provide me the sample format of the file

thanks for the help on this.