HELP.. URGENT

Hi All,

Can anybody provide me the peace of code for this...

If transaction code is IQS1 and IQS2 and condition type ZC.

If complete button triggered. (Function Code: MDDF)

Action text field from QMSM or Long text not equal to space.

If text field is blank.

Trigger error that required field is missing.

Else.

Continue.

Endif.

Endif.

Endif.

Regards,

Parvez.