public List<String> getWorkflowsByTimePeriod(
            String workflowName, int version, Long startTime, Long endTime) {
        Validate.notBlank(workflowName, "Workflow name cannot be blank");
        Validate.notNull(startTime, "Start time cannot be null");
        Validate.notNull(endTime, "End time cannot be null");

        Object[] params =
                new Object[] {"version", version, "startTime", startTime, "endTime", endTime};
        return getForEntity(
                "workflow/running/{name}",
                params,
                new GenericType<List<String>>() {},
                workflowName);
    }
Retrieve all workflow instances for a given workflow name between a specific time period

@param workflowName the name of the workflow
@param version the version of the workflow definition. Defaults to 1.
@param startTime the start time of the period
@param endTime the end time of the period
@return returns a list of workflows created during the specified during the time period
client/src/main/java/com/netflix/conductor/client/http/WorkflowClient.java