1. **Create a new work item type** (**fresh custom work item type**) 1. Use `workItemTypeCreate` with the following input params: ```javascript variables: { name: 'New work item type name', iconName: 'bug' , // or any icon from the icon selection set archive: true, // default false and not required param, fullPath: 'root-group' // not required if we are in admin settings page/organisation level }, ``` 2. **Rename work item type** (**edit existing system defined work item type or a new custom type work item type**) 1. Use `workItemTypeUpdate` with the following input params: ```javascript variables: { id: 'gid://gid', name: 'Work item type updated name', iconName: 'work-item-type-issue' , // or any icon from the icon selection set archive: true, // default false and not required param, fullPath: 'root-group' // not required if we are in admin settings page/organisation level }, ```