There is a command group 'az_boards_work item'. This group of commands could 'manage work items'. The group of commands has global parameter '--debug' which means 'Increase logging verbosity to show all debug logs.'. The group of commands has global parameter '--help -h' which means 'Show this help message and exit.'. The group of commands has global parameter '--only-show-errors' which means 'Only show errors, suppressing warnings.'. The group of commands has global parameter '--output -o' which means 'Output format.'. The group of commands has global parameter '--query' which means 'JMESPath query string. See <a href="http://jmespath.org/">http://jmespath.org/</a> for more information and examples.'. The group of commands has global parameter '--subscription' which means 'Name or ID of subscription. You can configure the default subscription using `az account set -s NAME_OR_ID`.'. The group of commands has global parameter '--verbose' which means 'Increase logging verbosity. Use --debug for full debug logs.'. This group contains a child command 'az_boards_work item_update'.The syntax is: az boards work-item update --id
                           [--area]
                           [--assigned-to]
                           [--description]
                           [--detect {false, true}]
                           [--discussion]
                           [--fields]
                           [--iteration]
                           [--open]
                           [--org]
                           [--reason]
                           [--state]
                           [--title]. The parameter '--id' is required. It is used to the id of the work item to update.. The parameter '--area' is optional. area the work item is assigned to (e.g. demos).. The parameter '--assigned-to' is optional. name of the person the work item is assigned-to (e.g. fabrikam).. The parameter '--description -d' is optional. description of the work item.. The parameter '--detect' is optional. automatically detect organization.. The parameter '--discussion' is optional. comment to add to a discussion in a work item.. The parameter '--fields -f' is optional. space separated "field=value" pairs for custom fields you would like to set. refer https://aka.ms/azure-devops-cli-field-api for more details on fields.. The parameter '--iteration' is optional. iteration path of the work item (e.g. demos\iteration 1).. The parameter '--open' is optional. open the work item in the default web browser.. The parameter '--org --organization' is optional. azure devops organization url. you can configure the default organization using az devops configure -d organization=org_url. required if not configured as default or picked up via git config. example: https://dev.azure.com/myorganizationname/.. The parameter '--reason' is optional. reason for the state of the work item.. The parameter '--state' is optional. state of the work item (e.g. active).. The parameter '--title' is optional. title of the work item.. 