diff --git a/vars/updateCard.groovy b/vars/updateCard.groovy
new file mode 100644
index 0000000..d107646
--- /dev/null
+++ b/vars/updateCard.groovy
@@ -0,0 +1,11 @@
+def call(String id) {
+    configFileProvider([configFile(fileId: 'trello', variable: 'configfile')]) {
+        def config = readJSON(text: readFile(file: configfile))
+        String data = """{"idValue": "${config['results'][currentBuild.currentResult]}"}"""
+        def response = httpRequest(contentType: 'APPLICATION_JSON',
+                                   httpMode: 'PUT',
+                                   url: "https://api.trello.com/1/card/${id}/customField/${config['field']}/item?key=${config['key']}&token=${config['token']}",
+                                   requestBody: data
+        )
+    }
+}