The plugin allows you to create unlimited custom fields that are required when a client is making the purchase of the appointment.
You have to click on the Fields Tab, then click on the “Add new field” button.
You will have to set the Type, Input type, Custom Meta Key and label.
PLEASE NOTE: THE META KEY MUST TO BE UNIQUE AND IT CAN’T CONTAIN BLANK SPACES. IT HAS TO BE FOR EXAMPLE: “mycustometakey”, please note, there are no spaces, this is very important.