diff --git a/charts/agent-group/templates/_required.tpl b/charts/agent-group/templates/_required.tpl
index 32df413..f6a73a5 100644
--- a/charts/agent-group/templates/_required.tpl
+++ b/charts/agent-group/templates/_required.tpl
@@ -11,8 +11,13 @@
   {{- required "agent is required!" .Values.agent -}}
     {{- required "agent.registerjson is required!" .Values.agent.registerjson -}}
       {{- required ".Values.agent.registerjson.cloudUrl is required!" .Values.agent.registerjson.cloudUrl -}}
-      {{- required ".Values.agent.registerjson.username is required!" .Values.agent.registerjson.username -}}
-      {{- required ".Values.agent.registerjson.password is required!" .Values.agent.registerjson.password -}}
+      {{- if not .Values.agent.registerjson.token -}}
+        {{- required ".Values.agent.registerjson.username is required when token is not provided!" .Values.agent.registerjson.username -}}
+        {{- required ".Values.agent.registerjson.password is required when token is not provided!" .Values.agent.registerjson.password -}}
+      {{- end -}}
+      {{- if not (or .Values.agent.registerjson.username .Values.agent.registerjson.password) -}}
+        {{- required ".Values.agent.registerjson.token is required when username and password are not provided!" .Values.agent.registerjson.token -}}
+      {{- end -}}
       {{- required ".Values.agent.registerjson.agentGroupId is required!" .Values.agent.registerjson.agentGroupId -}}
   {{- required "hpa is required!" .Values.hpa -}}
   {{- required "replicas is required!" .Values.replicas -}}
diff --git a/charts/agent-group/values.yaml b/charts/agent-group/values.yaml
index 3cba512..7070305 100644
--- a/charts/agent-group/values.yaml
+++ b/charts/agent-group/values.yaml
@@ -16,6 +16,7 @@ agent:
 #    cloudUrl: https://na-east.jitterbit.com
 #    username: $00lAuva91/rNxAaoQ+bC3pdtq+dXD9CLw9YdFGxcHLXI3Fhgf6JXQp3dDnIVKZE89xzwREjV/KDqINtTr8XQ/w==
 #    password: $00RIOD/BqGlQ1ack56p2GKG8vXJlpfAnbLxyUs5GqH8=
+#    token: xx_xx_xxxxx  # (optional if username and password are not provided)
 #    agentGroupId: 6282
 #    agentNamePrefix: "%host%"
 #    deregisterAgentOnDrainstop: true