Magento Custom Attribute Add-on is very useful add-on, for Customer Partner Extension. By the help of this add-on store admin can add particular custom attribute to the seller add new product form.
Following are the steps how to use:
1. Upload app and skin folder to the store root directory.
2. After uploading goto catalog>Attributes>ManageAttributes and create a new custom attribute that you want to show in frontend and save it. Please refer below screen shot.
Create Attribute
3. You can find a new sub menu appearing under Customer Partner menu, when you click on this menu a grid will be displayed containing all the custom attribute that has been already created. Please refer below screen shot.
4. Select those attributes that you want to show in front-end and choose show in frontend and submit. Please refer below screen shot.
5. After that you can check those attributes are displaying under add new product in frontend.
Thats it.