You can't do this with one click of a button.
You have to:
- Right click Database
- Select All Tasks > Generate SQL Scripts
- Click Show All
- Check All Tables
- Click the Formatting tab. Select the options you require
- Click the Options tab. You may want to script out the Indexes, Full-Text Indexes, Triggers, Primary & Foreign Keys.
- Then choose whether you want it all in one file or one file per object.
