Set as Primary Information Structure
An information structure can contain other information structures, but only one can be the primary information structure. By default, this is the first information structure that was created when you selected the Information Structure folder for the product. You can set any information structure to be the primary information structure:
1. In the Navigator, display the product and choose the Details folder.
2. On the Details tab, find the Information Structures table. Choose the information structure that you wish to set as primary.
3. From the shortcut menu, choose Set as Primary Information Structure.
The selected information structure is set as primary. A Primary Information Structure icon 
signifies which structure has been selected as the primary information structure.
signifies which structure has been selected as the primary information structure.You can also display the information page for an information structure by choosing the View Information icon 
, and then choosing Set as Primary Information Structure from the Actions menu.
, and then choosing Set as Primary Information Structure from the Actions menu.