Timetracker version 4.7.5 or higher is required to access this API

JIRA Administrators or JIRA System Administrators permission required for the user this service

package org.everit.jira.reporting.service.attribute;

import java.util.List;

/**
 * Public Worklog Attribute Service.
 */
public interface WorklogAttributeService {

  /**
   * Delete worklog attribute. Requires System Administrator or Administrator jira permission.
   *
   * @param worklogAttributeName
   *          the name of the worklog attribute.
   */
  void deleteWorklogAttribute(final String worklogAttributeName);

  /**
   * List enabled worklog attribute names. Requires System Administrator or Administrator jira
   * permission, else returns an empty list. Disabled attirbutes won't be returned.
   */
  List<String> listWorklogAttributes();

  /**
   * Create or Update worklog attribute names. Requires System Administrator or Administrator jira permission. 
   *
   * @param worklogAttributeNames
   *          the worklog attribute names.
   */
  void updateWorklogAttributes(final List<String> worklogAttributeNames);
}

import com.onresolve.scriptrunner.runner.customisers.PluginModule;
import com.onresolve.scriptrunner.runner.customisers.WithPlugin;
import org.everit.jira.reporting.service.attribute.WorklogAttributeService;
import java.util.Arrays;
import java.util.List;


@WithPlugin("org.everit.jira.timetracker.plugin")

@PluginModule
WorklogAttributeService worklogAttributeService;

// list worklog attributes (only enabled attributes will be returned)
List<String> worklogAttributes = worklogAttributeService.listWorklogAttributes();
// log.info(worklogAttributes);

// add worklog attributes
worklogAttributeService.updateWorklogAttributes(Arrays.asList("billable", "not-billable"));
worklogAttributes = worklogAttributeService.listWorklogAttributes();
// log.info(worklogAttributes);

// delete worklog attribute
worklogAttributeService.deleteWorklogAttribute("billable");
worklogAttributes = worklogAttributeService.listWorklogAttributes();
// log.info(worklogAttributes);

// delete worklog attribute
worklogAttributeService.deleteWorklogAttribute("not-billable");
worklogAttributes = worklogAttributeService.listWorklogAttributes();
// log.info(worklogAttributes);