RAML Definition

RAML (RESTful API Modeling Language) lets you see what your API looks like as you design it, using easy to read plain text. Without having to write a single line of code you can not only perfect your API design.Lets start than

For RAML Definition you Need 

1. Atom
2. Nodejs

Step1: Install atom here is link https://atom.io/

Step2: For creating RAML Definition you need to install package api workbench

Step3: Then create a new file with api.raml 

Step4: There are 2 version 0.8 and 1.0

Step5: Then Install Node js here is the link https://nodejs.org/en/

Step6: then install raml2html in nodejs prompt by using cmd npm install raml2html

Step7: To convert api.raml to index.html go to command prompt go to file location and use this command raml2html api.raml>index.html 

Step 8:After executing the command index.html file where you can see the in html.

Here is the link to download the simple example
https://drive.google.com/open?id=0B_9Sb5HbysjMQmo1NmIwaXpLVUU

Reference link:

http://raml.org/

http://raml.org/developers/raml-100-tutorial

http://raml.org/developers/raml-200-tutorial

https://www.sitepoint.com/raml-restful-api-modeling-language/