I am using Helm 3 and I would like to deploy myapp via Helm and Jenkins.I can able to run kubectl command in Jenkins pipeline but when stage runs helm --upgrade install command run I received an error. What might be the missing point?

Console Output

+ export KUBECONFIG=****
+ KUBECONFIG=****
+ kubectl config use-context c1
Switched to context "c1".

+ helm upgrade --install my-app -f values.dev.yaml --namespace dev

/home/ubuntu/workspace/my-app@tmp/durable-8c9e7261/script.sh: line 4: helm: command not found