IN THE BODY SECTION. WE CAN REFER THE BODY INPUT WITH SCHEMA OR WITH EXAMPLE OR WITH BOTH. OTHER PROPERTIES OF FORMPARAMETER ARE DESCRIPTION, TYPE, REQUIRED, PATTERN AND EXAMPLE. SO, HERE IN OUR RESOURCE /BOOK, WE CAN ACCESS IT USING IT AS A SUB URL /BOOK OR CAN ADD THE OPTIONAL URI PARAM NAME SUCH AS /BOOK/{NAME}