diff --git a/README.md b/README.md
index 21a978e..c71c91e 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,11 @@ Jenkins Pipeline script to manage one or more gCube components deployment
 * Manually from Jenkins GUI
 
 ## Expected environment variables
+The variables below must be specified as environment variables on the agent where the deployments will be executed:
+* IS_SCHEDULED (True | False): if true all the deployment requests will be performed periodically as specified by cron
+* ENVIRONMENT: ( DEV | PREPROD | PROD) Indicates the target environment where will be deployed all the artifacts
+* DEPLOY_CATEGORY: (Related to release build) one or more Component group on yaml file where search the components to deploy
+* CD: (Continuous Deployment: True | False) if True the remote deploy will be performed
 
 ## References 
 * [Jenkins Pipeline](https://jenkins.io/doc/book/pipeline/)