docs(pipelines_and_jobs): add pipeline custom variables usage example

Vitali Ulantsau · Vitali Ulantsau · commit b275eb03c595 · 2019-10-31T18:59:55.000+03:00
diff --git a/docs/gl_objects/pipelines_and_jobs.rst b/docs/gl_objects/pipelines_and_jobs.rst
@@ -33,9 +33,9 @@ Get variables of a pipeline::
 
     variables = pipeline.variables.list()
 
-Create a pipeline for a particular reference::
+Create a pipeline for a particular reference with custom variables::
 
-    pipeline = project.pipelines.create({'ref': 'master'})
+    pipeline = project.pipelines.create({'ref': 'master', 'variables': [{'key': 'MY_VARIABLE', 'value': 'hello'}]})
 
 Retry the failed builds for a pipeline::
 
