Added job source param

lib/Models/jobSearch.js

@@ -143,6 +143,23 @@ var JobSearch = module.exports = function (domain, publisherId) {
 		return this;
 	};
 
+    /**
+     *   Specifies the job source to use in the search.
+     *   @param {String} type       The job source to use. Allowed values are "all", "directhire", "recruiters".
+     *
+     *   @return {Object}           Returns the current instance of the JobSource object
+     */
+    this.WhereJobSource = function (type) {
+        var allowedValues = ["all", "directhire", "recruiters"];
+        if (allowedValues.indexOf(type) > -1) {
+            if (type != "all")
+                query.sr = type;
+        } else
+            throw(type + ' is not a valid value. Allowed values are [' + allowedValues.toString() + ']');
+
+        return this;
+    };
+
 	/**
 	 *   Specifies the job type to use in the search.
 	 *   @param {String} type       The job type to use. Allowed values are "all", "fulltime", "parttime", "contract", "internship", "temporary".