diff --git a/vars/pulp.groovy b/vars/pulp.groovy
index 3b923d8..9cc7b33 100644
--- a/vars/pulp.groovy
+++ b/vars/pulp.groovy
@@ -3,13 +3,20 @@ import groovy.json.JsonOutput
 def call() {
     pipeline {
 
+	parameters {
+	   string(
+		name: 'pulpHost',
+		description: 'Nom de domaine pour le serveur Pulp',
+		defaultValue: ''
+	   }
+
 	def getResourceHREF(
 	    String credentials,
 	    String resourceEndpoint,
 	    String resourceName,
-	    String pulpHost 
+	  //  String pulpHost 
 	) {
-	    def response = httpRequest authentication: credentials, url: "https://${pulpHost}/pulp/api/v3/${resourceEndpoint}", httpMode: 'GET', ignoreSslErrors: true, validResponseCodes: "200"
+	    def response = httpRequest authentication: credentials, url: "https://${params.pulpHost}/pulp/api/v3/${resourceEndpoint}", httpMode: 'GET', ignoreSslErrors: true, validResponseCodes: "200"
 	    def jsonResponse = readJSON text: response.content
 	    def resource = jsonResponse.results.find { it -> it.name == resourceName}
 	    if (resource) {