First go to the Forms Module and select the Email option:
When you choose the Email option a window will open. Here you can enter the information necessary to automate the emailing process. Enter the To, CC and BCC fields. This will be the recipients of the forms. Then enter the Subject and description for the template. When you are ready click on the Ok button:
Once you click Ok your mouse icon will be replaced by a yellow box. This box will be the area your button will be placed. When the box is in the correct place you can left click to proceed.
When you click with the left mouse button the button will be placed:
Click on the Email option again to stop placing new fields.
While in Edit Mode you can open the Properties.
Click here to learn more about form properties.
You can test the button while in View Mode.