Function Module to upload F1 Help for a Data element

Hi Experts,

My requirement is as follows :

User will provide me with a file containing the Data Element name and the corresponding F1 Help text.

Now, I need to upload this file and then attach the help text to the corresponding data element.

How to go about this.Please let me know if there are any Function Modules through which we can achieve it.

Please help me on this as this is very critical issue.

Points are guaranteed.

Thanks in advance.

Regards,

Himanshu