diff --git a/forward_engineering/helpers/common.js b/forward_engineering/helpers/common.js
index ea955b9..d74a2c3 100644
--- a/forward_engineering/helpers/common.js
+++ b/forward_engineering/helpers/common.js
@@ -55,12 +55,15 @@ const getItemPropertyKeys = (itemName, properties = []) =>
 
 const getPropertyKeyGetScript = propertyName => `${propertyName} = mgmt.getPropertyKey('${propertyName}')`;
 
+const getEdgeName = relationship => relationship.code || relationship.name;
+
 module.exports = {
 	transformToValidGremlinName,
 	setInManagement,
 	getTTlScript,
 	getItemPropertyKeys,
 	getPropertyKeyGetScript,
+	getEdgeName,
 	DEFAULT_INDENT,
 	NEW_LINE_DOUBLE_INDENT,
 };
diff --git a/forward_engineering/helpers/edgeLabelHelper.js b/forward_engineering/helpers/edgeLabelHelper.js
index ea28195..e30c8f5 100644
--- a/forward_engineering/helpers/edgeLabelHelper.js
+++ b/forward_engineering/helpers/edgeLabelHelper.js
@@ -1,14 +1,14 @@
-const { transformToValidGremlinName, getTTlScript, getItemPropertyKeys } = require('./common');
+const { transformToValidGremlinName, getTTlScript, getItemPropertyKeys, getEdgeName } = require('./common');
 const _ = require('lodash');
 
 const generateEdges = ({ relationships, vertices }) => {
-	return _.uniqBy(relationships, relationship => relationship.name)
+	return _.uniqBy(relationships, relationship => getEdgeName(relationship))
 		.map(getEdgeLabelScript(vertices))
 		.join('\n\n');
 };
 
 const getEdgeLabelScript = vertices => relationship => {
-	const name = transformToValidGremlinName(relationship.name);
+	const name = transformToValidGremlinName(getEdgeName(relationship));
 
 	const multiplicity = _.get(relationship, 'customProperties.multiplicity', 'MULTI');
 	const unidirectedScript = getUnidirectedScript(relationship);
diff --git a/forward_engineering/helpers/sampleDataHelper.js b/forward_engineering/helpers/sampleDataHelper.js
index 44287cd..ead97de 100644
--- a/forward_engineering/helpers/sampleDataHelper.js
+++ b/forward_engineering/helpers/sampleDataHelper.js
@@ -1,4 +1,4 @@
-const { transformToValidGremlinName, DEFAULT_INDENT } = require('./common');
+const { transformToValidGremlinName, DEFAULT_INDENT, getEdgeName } = require('./common');
 const { getGeoshapeSample } = require('./geoshapeHelper');
 const _ = require('lodash');
 
@@ -59,7 +59,7 @@ const generateVertices = (collections, jsonData, graphName) => {
 };
 
 const generateEdge = (from, to, relationship, edgeData, graphName) => {
-	const edgeName = transformToValidGremlinName(relationship.name);
+	const edgeName = transformToValidGremlinName(getEdgeName(relationship));
 	const propertiesScript = addPropertiesScript(relationship, edgeData, edgeName);
 
 	return `${edgeName} = ${from}.\n${DEFAULT_INDENT}addEdge(${JSON.stringify(edgeName)}, ${to});${propertiesScript}`;