How to Declare an internal table in Defining Global classes using SE24.

Hi All,

I have quick question.

Suppose i want to include an internal table in the public section of my goblal Class suing SE24 Transaction, How could i possibly do it.

TYPES: begin of imat,

matnr type mara-matnr,

mtart type mara-mtart,

matkl type mara-matkl,

ersda type mara-ersda,

end of imat.

suppose i want to include this internal table in the public section of my Global Class ZCL_MAT_DETAILS.

Could someone please tell me how to do it in detail.

In the Types Tab, I couldn't figure out how to do it.

Thanks,

Matt