@java.lang.Override
      public com.google.protobuf.ByteString getRoutineBytes() {
        java.lang.Object ref = routine_;
        if (ref instanceof java.lang.String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          routine_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
<pre>
Name of a routine within the workflow.
</pre>

<code>string routine = 1;</code>

@return The bytes for routine.
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java