There is a command group 'az_communication_email'. This group of commands could 'manage communication email'. 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_communication_email_send'.The syntax is: az communication email send --sender
                            --subject
                            [--attachment-types]
                            [--attachments]
                            [--bcc]
                            [--cc]
                            [--connection-string]
                            [--disable-tracking {false, true}]
                            [--html]
                            [--importance {high, low, normal}]
                            [--reply-to]
                            [--text]
                            [--to]. The 1th example of the child command would be to use it to 'send an email from an existing domain', the syntax is: az communication email send --sender "NoReply@contoso.com" --subject "Contoso Update" --to "user1@user1-domain.com" "user2@user2-domain.com" --text "Hello valued client. There is an update.". The parameter '--sender' is required. It is used to sender email address from a verified domain.. The parameter '--subject' is required. It is used to subject of the email message.. The parameter '--attachment-types' is optional. list of email attachment types, in the same order of attachments. required for each attachment. known values are: avi, bmp, doc, docm, docx, gif, jpeg, mp3, one, pdf, png, ppsm, ppsx, ppt, pptm, pptx, pub, rpmsg, rtf, tif, txt, vsd, wav, wma, xls, xlsb, xlsm, and xlsx.. The parameter '--attachments' is optional. list of email attachments. optional.. The parameter '--bcc' is optional. blind carbon copy email addresses.. The parameter '--cc' is optional. carbon copy email addresses.. The parameter '--connection-string' is optional. communication connection string. environment variable: azure_communication_connection_string.. The parameter '--disable-tracking' is optional. indicates whether user engagement tracking should be disabled for this specific request. this is only applicable if the resource-level user engagement tracking setting was already enabled in control plane. optional.. The parameter '--html' is optional. html version of the email message. optional.. The parameter '--importance' is optional. the importance type for the email. known values are: high, normal, and low. default is normal. optional.. The parameter '--reply-to' is optional. reply-to email address. optional.. The parameter '--text' is optional. plain text version of the email message. optional.. The parameter '--to' is optional. recepients email addresses comma seperated if more than one.. 