public void resumeWorkflow(String workflowId) {
        Preconditions.checkArgument(
                StringUtils.isNotBlank(workflowId), "workflow id cannot be blank");
        stub.resumeWorkflow(
                WorkflowServicePb.ResumeWorkflowRequest.newBuilder()
                        .setWorkflowId(workflowId)
                        .build());
    }
Resume a paused workflow by workflow id

@param workflowId the workflow id of the paused workflow
grpc-client/src/main/java/com/netflix/conductor/client/grpc/WorkflowClient.java