From the menu go to: Insert > Forms > Submit Button
When the user clicks on the "Submit" button, the content of the form is sent to another file. The form's action attribute defines the name of the file to send the content to. The file defined in the action attribute usually does something with the received input.
Example:
<form method="post" action="actiontest.htm">
Your Name: <input type="text" name="name">
<input type="submit" value="Submit your name!">
</form>
Result:
NOTE: If you omit a submit "value=" the default button wording is "Submit".
See Also: Form Samples