Signal-cli send

signal-cli -a +123456789 send -m "This is a test Signal message"  +123456789

signal-cli send
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signal-cli send
Multiple users found, you need to specify an account (phone number) with -a

usage: signal-cli [-h] [-v] [--log-file LOG_FILE] [--scrub-log]

named arguments:
  -h, --help             show this help message and exit
  -v, --verbose
  --log-file LOG_FILE
  --scrub-log
usage: signal-cli send [-h] [-g [GROUP_ID [GROUP_ID ...]]] [--note-to-self] [-a [ATTACHMENT [ATTACHMENT ...]]] [-e]
                  [--mention [MENTION [MENTION ...]]] [--text-style [TEXT_STYLE [TEXT_STYLE ...]]] [--quote-timestamp QUOTE_TIMESTAMP]
                  [--quote-author QUOTE_AUTHOR] [--quote-message QUOTE_MESSAGE] [--quote-mention [QUOTE_MENTION [QUOTE_MENTION ...]]]
                  [--quote-attachment [QUOTE_ATTACHMENT [QUOTE_ATTACHMENT ...]]]
                  [--quote-text-style [QUOTE_TEXT_STYLE [QUOTE_TEXT_STYLE ...]]] [--sticker STICKER] [--preview-url PREVIEW_URL]
                  [--preview-title PREVIEW_TITLE] [--preview-description PREVIEW_DESCRIPTION] [--preview-image PREVIEW_IMAGE]
                  [--story-timestamp STORY_TIMESTAMP] [--story-author STORY_AUTHOR] [--edit-timestamp EDIT_TIMESTAMP] [-m MESSAGE |
                  --message-from-stdin] [recipient [recipient ...]]

positional arguments:
  recipient              Specify the recipients' phone number.

named arguments:
  -h, --help             show this help message and exit
  -g [GROUP_ID [GROUP_ID ...]], --group-id [GROUP_ID [GROUP_ID ...]], --group [GROUP_ID [GROUP_ID ...]]
                         Specify the recipient group ID.
  --note-to-self         Send the message to self without notification.
  -m MESSAGE, --message MESSAGE
                         Specify the message to be sent.
  --message-from-stdin   Read the message from standard input.
  -a [ATTACHMENT [ATTACHMENT ...]], --attachment [ATTACHMENT [ATTACHMENT ...]]
                         Add an attachment. Can be either a file path  or  a  data  URI. Data URI encoded attachments must follow the RFC
                         2397. Additionally a file name  can  be  added, e.g. data:<MIME-TYPE>;filename=<FILENAME>;base64,<BASE64 ENCODED
                         DATA>.
  -e, --end-session, --endsession
                         Clear session state and send end session message.
  --mention [MENTION [MENTION ...]]
                         Mention another group member (syntax: start:length:recipientNumber)
  --text-style [TEXT_STYLE [TEXT_STYLE ...]]
                         Style parts of the message text (syntax: start:length:STYLE)
  --quote-timestamp QUOTE_TIMESTAMP
                         Specify the timestamp of a previous message with the recipient or group to add a quote to the new message.
  --quote-author QUOTE_AUTHOR
                         Specify the number of the author of the original message.
  --quote-message QUOTE_MESSAGE
                         Specify the message of the original message.
  --quote-mention [QUOTE_MENTION [QUOTE_MENTION ...]]
                         Quote with mention of another group member (syntax: start:length:recipientNumber)
  --quote-attachment [QUOTE_ATTACHMENT [QUOTE_ATTACHMENT ...]]
                         Specify  the  attachments  of   the   original   message  (syntax:  contentType[:filename[:previewFile]]),  e.g.
                         'audio/aac' or 'image/png:test.png:/tmp/preview.jpg'.
  --quote-text-style [QUOTE_TEXT_STYLE [QUOTE_TEXT_STYLE ...]]
                         Quote with style parts of the message text (syntax: start:length:STYLE)
  --sticker STICKER      Send a sticker (syntax: stickerPackId:stickerId)
  --preview-url PREVIEW_URL
                         Specify the url for the link preview (the same url must also appear in the message body).
  --preview-title PREVIEW_TITLE
                         Specify the title for the link preview (mandatory).
  --preview-description PREVIEW_DESCRIPTION
                         Specify the description for the link preview (optional).
  --preview-image PREVIEW_IMAGE
                         Specify the image file for the link preview (optional).
  --story-timestamp STORY_TIMESTAMP
                         Specify the timestamp of a story to reply to.
  --story-author STORY_AUTHOR
                         Specify the number of the author of the story.
  --edit-timestamp EDIT_TIMESTAMP
                         Specify the timestamp of a previous message with the recipient or group to send an edited message.

Related

signal-cli verify
signal-cli listAccounts
signal-cli -a +123123456789 register

signal-cli, --help