Item level text update in custom declaration

Hi All,

We are working on dangerous goods in GTS. when ever we create the custom declaration UN number and dangerous goods check box will ative automatically not business want to update text at item level in custom declaration under text tab. we can hard code the text if item in custom declaration is relevent for dangerous goods. but I would like to know is there and BADI or RFC can use where this text to be updated.

Regards,

Sasikanth.Ch