Retrieve ci relationship types (ServiceNowDevProgram#856)

* Create RetriveCiRelationshipTypes.jss.js

This is the Rest Resources for Retrive CI Relationship Types

* Update CmdbApi.js

Add the function getCilatRelationshipTypes for retrieving the CI relationships from the instance

* Update readme.md

Contains scripted REST API to retrieve a list of Configuration Item (CI) Relationship Types from the ServiceNow instance.

* Remove additional extension from file name

.jss was present in the filename, this seems to be in error and is not aligned with the other file names so removing

---------

Co-authored-by: Astrid Sapphire <[email protected]>

Scripted REST Api/CMDB API/CmdbApi.js

@@ -285,8 +285,21 @@ createCiRelationship: function() {
         response['ciDetails'] = CI_details;
         return response;
     },
-
-
+
+/**
+ * Retrieves a list of Configuration Item (CI) Relationship Types from the ServiceNow instance.
+ * Mapped to GET /cis/relationshiptypes
+ * @function
+ * @name getCiRelationshipTypes
+ * @returns {GlideRecord} A GlideRecord object representing the list of CI Relationship Types.
+ * @throws {Error} If there is an issue with the retrieval process.
+ **/
+ getCiRelationshipTypes: function() {
+        return this._getGrResultStream('cmdb_rel_type', null, {
+            sysparm_limit: 100
+        });
+    },
+
 /**
 	 * Determine the type of source ID.
 	 * @function getSourceIDtype

Scripted REST Api/CMDB API/RetriveCiRelationshipTypes.js

@@ -0,0 +1,6 @@
+(function process(/*RESTAPIRequest*/ request, /*RESTAPIResponse*/ response) {
+
+    // implement resource here
+	return new CmdbApi(request, response).getCiRelationshipTypes();
+
+})(request, response);

Scripted REST Api/CMDB API/readme.md

@@ -7,6 +7,7 @@ Table of Contents
 3. Delete CI
 4. Delete CI Relationship
 5. Retrieve CI Group
+6. Retrieve CI Relationship types
 
 1. Create CIs
   This API is designed to create Configuration Items (CIs).
@@ -84,3 +85,17 @@ Table of Contents
     Response:
       Status Code: 200 OK
       Response Body: Details of CI and its group
+
+   6. Retrieve CI Relationship types
+   Scripted REST API Resource is designed to retrieve a list of Configuration Item (CI) Relationship Types from the ServiceNow instance.
+    Request Details:
+    Type: HTTP
+    Method: GET
+    URI: https://<service-now-domain>.service-now.com/api/cis/relationshiptypes
+    Headers:
+     Accept: application/json
+     Content-Type: application/json
+    Request Body: NA
+    Response:
+      Status Code: 200 OK
+      Response Body: Details of CI Relationship types