A group of radio button inputs that allows the user to make a single selection from values that you specify.
This is the name which will appear on the EDIT page
Single word, no spaces. Underscores and dashes allowed
Enter each choice on a new line. For more control, you may specify both a value and label like this: <span class='acf-field-setting-example'>red : Red</span>
Appears when creating a new post
Specify the returned value on front end