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= signal-cli-dbus (5)
:doctype: manpage

== Name

signal-cli-dbus - A commandline and dbus interface for the Signal messenger

== Synopsis

*signal-cli* [--verbose] [--config CONFIG] [-a ACCOUNT] [-o {plain-text,json}] daemon [--dbus] [--dbus-system]

*dbus-send* [--system | --session] [--print-reply] --type=method_call --dest="org.asamk.Signal" /org/asamk/Signal[/_<phonenumber>] org.asamk.Signal.<method> [string:<string argument>] [array:<type>:<array argument>]

Note: when daemon was started without explicit `-a ACCOUNT`, the `dbus-send` command requires adding the phone number in `/org/asamk/Signal/_<phonenumber>`.

== Description

See signal-cli (1) for details on the application.

This documentation handles the supported methods when running signal-cli as a DBus daemon.

The method are described as follows:

method(arg1<type>, arg2<type>, ...) -> return<type>

Where <type> is according to DBus specification:

* <a> : Array of ... (comma-separated list) (array:)
* (...) : Struct (cannot be sent via `dbus-send`)
* <b> : Boolean (false|true) (boolean:)
* <i> : Signed 32-bit (int) integer (int32:)
* <o> : DBusPath object (objpath:)
* <s> : String (string:)
* <x> : Signed 64-bit (long) integer (int64:)
* <y> : Unsigned 8-bit (byte) integer (byte:)
* <> : no return value

The final parenthetical value (such as "boolean:") is the type indicator used by `dbus-send`.

Exceptions are the names of the Java Exceptions returned in the body field.
They typically contain an additional message with details.
All Exceptions begin with "org.asamk.Signal.Error." which is omitted here for better readability.

Phone numbers always have the format +<countrycode><regional number>

== Methods

=== SignalControl interface

These methods are available if the daemon is started in multi-account mode (without an explicit `-a ACCOUNT`).
The exported `/org/asamk/Signal` object provides a SignalControl interface, with methods to manage accounts.
Individual accounts are exported as separate objects and provide a Signal interface, that's described below.
e.g. `/org/asamk/Signal/\_441234567890` where the + dialing code is replaced by an underscore (_).

link() -> deviceLinkUri<s>::
link(newDeviceName<s>) -> deviceLinkUri<s>::
* newDeviceName : Name to give new device (defaults to "cli" if no name is given)
* deviceLinkUri : URI of newly linked device

Returns a URI of the form "sgnl://linkdevice?uuid=...".
This can be piped to a QR encoder to create a display that can be captured by a Signal smartphone client.

For example:

```
dbus-send --session --dest=org.asamk.Signal --type=method_call --print-reply /org/asamk/Signal org.asamk.Signal.link string:"My secondary client" | tr '\n' '\0' | sed 's/.*string //g' | sed 's/\"//g' | qrencode -s10 -tANSI256
```

listAccounts() -> accountList<as>::
* accountList : Array of all attached accounts in DBus object path form

Exceptions: None

register(number<s>, voiceVerification<b>) -> <>::
* number : Phone number
* voiceVerification : true = use voice verification; false = use SMS verification

Exceptions: Failure, InvalidNumber, RequiresCaptcha

registerWithCaptcha(number<s>, voiceVerification<b>, captcha<s>) -> <>::
* number : Phone number
* voiceVerification : true = use voice verification; false = use SMS verification
* captcha : Captcha string

Exceptions: Failure, InvalidNumber, RequiresCaptcha

verify(number<s>, verificationCode<s>) -> <>::
* number : Phone number
* verificationCode : Code received from Signal after successful registration request

Command fails if PIN was set after previous registration; use verifyWithPin instead.

Exceptions: Failure, InvalidNumber

verifyWithPin(number<s>, verificationCode<s>, pin<s>) -> <>::
* number : Phone number
* verificationCode : Code received from Signal after successful registration request
* pin : PIN you set with setPin command after verifying previous registration

Exceptions: Failure, InvalidNumber

version() -> version<s>::
* version : Version string of signal-cli

Exceptions: None

=== Signal interface

The following methods listen to the account's object path, which is constructed as follows:

- for single-account mode: "/org/asamk/Signal/"
- for multi-account mode: "/org/asamk/Signal/" + DBusNumber
* DBusNumber: account's phone number, with underscore (_) replacing plus (+)

getContactName(number<s>) -> name<s>::
* number : Phone number
* name : Contact's name in local storage (from the primary device for a linked account, or the one set with setContactName); if not set, contact's profile name is used

Exceptions: None

getContactNumber(name<s>) -> numbers<as>::
* numbers : Array of phone number
* name : Contact or profile name ("firstname lastname")

Searches contacts and known profiles for a given name and returns the list of all known numbers.
May result in e.g. two entries if a contact and profile name is set.

Exceptions: None

getSelfNumber() -> number<s>::
* number : Your phone number

Exceptions: None

isContactBlocked(number<s>) -> blocked<b>::
* number : Phone number
* blocked : true=blocked, false=not blocked

For unknown numbers false is returned but no exception is raised.

Exceptions: InvalidPhoneNumber

isRegistered() -> result<b>::
isRegistered(number<s>) -> result<b>::
isRegistered(numbers<as>) -> results<ab>::
* number : Phone number
* numbers : String array of phone numbers
* result : true=number is registered, false=number is not registered
* results : Boolean array of results

For unknown numbers, false is returned, but no exception is raised.
If no number is given, returns true (indicating that you are registered).

Exceptions: InvalidNumber

listNumbers() -> numbers<as>::
* numbers : String array of all known numbers

This is a concatenated list of all defined contacts as well of profiles known (e.g. peer group members or sender of received messages)

Exceptions: None

removePin() -> <>::

Removes registration PIN protection.

Exceptions: Failure

sendEndSessionMessage(recipients<as>) -> <>::
* recipients : Array of phone numbers

Exceptions: Failure, InvalidNumber, UntrustedIdentity

sendMessage(message<s>, attachments<as>, recipient<s>) -> timestamp<x>::
sendMessage(message<s>, attachments<as>, recipients<as>) -> timestamp<x>::
* message : Text to send (can be UTF8)
* attachments : String array of filenames to send as attachments (passed as filename, so need to be readable by the user signal-cli is running under)
* recipient : Phone number of a single recipient
* recipients : String array of phone numbers
* timestamp : Long, can be used to identify the corresponding Signal reply

Depending on the type of the recipient field this sends a message to one or multiple recipients.

Exceptions: AttachmentInvalid, Failure, InvalidNumber, UntrustedIdentity

sendMessageReaction(emoji<s>, remove<b>, targetAuthor<s>, targetSentTimestamp<x>, recipient<s>) -> timestamp<x>::
sendMessageReaction(emoji<s>, remove<b>, targetAuthor<s>, targetSentTimestamp<x>, recipients<as>) -> timestamp<x>::
* emoji : Unicode grapheme cluster of the emoji
* remove : Boolean, whether a previously sent reaction (emoji) should be removed
* targetAuthor : String with the phone number of the author of the message to which to react
* targetSentTimestamp : Long representing timestamp of the message to which to react
* recipient : String with the phone number of a single recipient
* recipients : Array of strings with phone numbers, should there be more recipients
* timestamp : Long, can be used to identify the corresponding Signal reply

Depending on the type of the recipient(s) field this sends a reaction to one or multiple recipients.

Exceptions: Failure, InvalidNumber

sendPaymentNotification(receipt<ay>, note<s>, recipient<s>) -> timestamp<x>::
* receipt : Byte array with the payment receipt blob
* note : String with a note for the payment
* recipient : String with the phone number of a single recipient

* timestamp : Long, can be used to identify the corresponding Signal reply

Exceptions: Failure

sendNoteToSelfMessage(message<s>, attachments<as>) -> timestamp<x>::
* message : Text to send (can be UTF8)
* attachments : String array of filenames to send as attachments (passed as filename, so need to be readable by the user signal-cli is running under)
* timestamp : Long, can be used to identify the corresponding Signal reply

Exceptions: Failure, AttachmentInvalid

sendReadReceipt(recipient<s>, targetSentTimestamps<ax>) -> <>::
* recipient : Phone number of a single recipient
* targetSentTimestamps : Array of Longs to identify the corresponding Signal messages

Exceptions: Failure, UntrustedIdentity

sendViewedReceipt(recipient<s>, targetSentTimestamp<ax>) -> <>::
* recipient : Phone number of a single recipient
* targetSentTimestamp : Array of Longs to identify the corresponding signal messages

Exceptions: Failure, UntrustedIdentity

sendRemoteDeleteMessage(targetSentTimestamp<x>, recipient<s>) -> timestamp<x>::
sendRemoteDeleteMessage(targetSentTimestamp<x>, recipients<as>) -> timestamp<x>::
* targetSentTimestamp : Long representing timestamp of the message to delete
* recipient : String with the phone number of a single recipient
* recipients : Array of strings with phone numbers, should there be more recipients
* timestamp : Long, can be used to identify the corresponding signal reply

Depending on the type of the recipient(s) field this deletes a message with one or multiple recipients.

Exceptions: Failure, InvalidNumber

sendTyping(recipient<s>, stop<b>) -> <>::
* recipient : Phone number of a single recipient
* stop : True, if typing state should be stopped

Exceptions: Failure, UntrustedIdentity

setContactBlocked(number<s>, block<b>) -> <>::
* number : Phone number affected by method
* block : false=remove block, true=blocked

Messages from blocked numbers will no longer be forwarded via DBus.

Exceptions: InvalidNumber

setContactName(number<s>,name<>) -> <>::
* number : Phone number
* name : Name to be set in contacts (in local storage with signal-cli)

Exceptions: InvalidNumber, Failure

deleteContact(number<s>) -> <>::
* number : Phone number

Exceptions: Failure

deleteRecipient(number<s>) -> <>::
* number : Phone number

Exceptions: Failure

setExpirationTimer(number<s>, expiration<i>) -> <>::
* number : Phone number of recipient
* expiration : int32 for the number of seconds before messages to this recipient disappear.
Set to 0 to disable expiration.

Exceptions: Failure, InvalidNumber

setPin(pin<s>) -> <>::
* pin : PIN you set after registration (resets after 7 days of inactivity)

Sets a registration lock PIN, to prevent others from registering your number.

Exceptions: Failure

submitRateLimitChallenge(challenge<s>, captcha<s>) -> <>::
* challenge : The challenge token taken from the proof required error.
* captcha : The captcha token from the solved captcha on the Signal website.
Can be used to lift some rate-limits by solving a captcha.

Exception: IOErrorException

updateProfile(name<s>, about<s>, aboutEmoji <s>, avatar<s>, remove<b>) -> <>::
updateProfile(givenName<s>, familyName<s>, about<s>, aboutEmoji <s>, avatar<s>, remove<b>) -> <>::
* name : Name for your own profile (empty if unchanged)
* givenName : Given name for your own profile (empty if unchanged)
* familyName : Family name for your own profile (empty if unchanged)
* about : About message for profile (empty if unchanged)
* aboutEmoji : Emoji for profile (empty if unchanged)
* avatar : Filename of avatar picture for profile (empty if unchanged)
* remove : Set to true if the existing avatar picture should be removed

Exceptions: Failure

uploadStickerPack(stickerPackPath<s>) -> url<s>::
* stickerPackPath : Path to the manifest.json file or a zip file in the same directory
* url : URL of sticker pack after successful upload

Exceptions: Failure

version() -> version<s>::
* version : Version string of signal-cli

Exceptions: None

==== Group related methods

createGroup(groupName<s>, members<as>, avatar<s>) -> groupId<ay>::
* groupName : String representing the display name of the group
* members : String array of new members to be invited to group
* avatar : Filename of avatar picture to be set for group (empty if none)
* groupId : Byte array representing the internal group identifier

Exceptions: AttachmentInvalid, Failure, InvalidNumber;

getGroup(groupId<ay>) -> objectPath<o>::
* groupId : Byte array representing the internal group identifier
* objectPath : DBusPath for the group

getGroupMembers(groupId<ay>) -> members<as>::
* groupId : Byte array representing the internal group identifier
* members : String array with the phone numbers of all active members of a group

Exceptions: None, if the group name is not found an empty array is returned

joinGroup(inviteURI<s>) -> <>::
* inviteURI : String starting with https://signal.group/#

Behavior of this method depends on the `requirePermission` parameter of the `enableLink` method.
If permission is required, `joinGroup` adds you to the requesting members list.
Permission may be granted based on the group's `PermissionAddMember` property (`ONLY_ADMINS` or `EVERY_MEMBER`).
If permission is not required, `joinGroup` admits you immediately to the group.

Exceptions: Failure

listGroups() -> groups<a(oays)>::
* groups : Array of Structs(objectPath, groupId, groupName)
** objectPath : DBusPath
** groupId : Byte array representing the internal group identifier
** groupName : String representing the display name of the group

sendGroupMessage(message<s>, attachments<as>, groupId<ay>) -> timestamp<x>::
* message : Text to send (can be UTF8)
* attachments : String array of filenames to send as attachments (passed as filename, so need to be readable by the user signal-cli is running under)
* groupId : Byte array representing the internal group identifier
* timestamp : Long, can be used to identify the corresponding Signal reply

Exceptions: GroupNotFound, Failure, AttachmentInvalid, InvalidGroupId

sendGroupTyping(groupId<ay>, stop<b>) -> <>::
* groupId : Byte array representing the internal group identifier
* stop : True, if typing state should be stopped

Exceptions: Failure, GroupNotFound, UntrustedIdentity

sendGroupMessageReaction(emoji<s>, remove<b>, targetAuthor<s>, targetSentTimestamp<x>, groupId<ay>) -> timestamp<x>::
* emoji : Unicode grapheme cluster of the emoji
* remove : Boolean, whether a previously sent reaction (emoji) should be removed
* targetAuthor : String with the phone number of the author of the message to which to react
* targetSentTimestamp : Long representing timestamp of the message to which to react
* groupId : Byte array representing the internal group identifier
* timestamp : Long, can be used to identify the corresponding signal reply

Exceptions: Failure, InvalidNumber, GroupNotFound, InvalidGroupId

sendGroupRemoteDeleteMessage(targetSentTimestamp<x>, groupId<ay>) -> timestamp<x>::
* targetSentTimestamp : Long representing timestamp of the message to delete
* groupId : Byte array with base64 encoded group identifier
* timestamp : Long, can be used to identify the corresponding signal reply

Exceptions: Failure, GroupNotFound, InvalidGroupId

==== Device related methods

addDevice(deviceUri<s>) -> <>::
* deviceUri : URI in the form of "sgnl://linkdevice?uuid=..." (formerly "tsdevice:/?uuid=...") Normally displayed by a Signal desktop app, smartphone app, or another signal-cli instance using the `link` control method.

getDevice(deviceId<x>) -> devicePath<o>::
* deviceId : Long representing a deviceId
* devicePath : DBusPath object for the device

Exceptions: DeviceNotFound

listDevices() -> devices<a(oxs)>::
* devices : Array of structs (objectPath, id, name)
** objectPath : DBusPath representing the device's object path
** id : Long representing the deviceId
** name : String representing the device's name

Exceptions: InvalidUri

sendContacts() -> <>::

Sends a synchronization message with the local contacts list to all linked devices.
This command should only be used if this is the primary device.

Exceptions: Failure

sendSyncRequest() -> <>::

Sends a synchronization request to the primary device (for group, contacts, ...).
Only works if sent from a secondary device.

Exceptions: Failure

==== Identity related methods

listIdentities() -> identities<a(oss)>::
* identities : Array of structs (objectPath, id, name)
** objectPath : DBusPath representing the identity object path
** uuid : Internal uuid of the identity
** number : Phone number of the identity (or uuid if not known)

Lists all know identities

getIdentity(Number<s>) -> identityPath<o>::
* Number : Phone number 
* identityPath : DBusPath object for the identity

Gets the identity Dbus path for a given phone number

Exceptions: Failure

=== Signal.Group interface

The following methods listen to the group's object path, which can be obtained from the listGroups() method and is constructed as follows:

<ACCOUNT_PATH> + "/Groups/" + DBusGroupId

DBusGroupId : groupId in base64 format, with underscore (_) replacing plus (+), equals (=), or slash (/)

Groups have the following (case-sensitive) properties:

* Id<ay> (read-only) : Byte array representing the internal group identifier
* Name<s> : Display name of the group
* Description<s> : Description of the group
* Avatar<s> (write-only) : Filename of the avatar
* IsBlocked<b> : true=member will not receive group messages; false=not blocked
* IsMember<b> (read-only) : always true (object path exists only for group members)
* IsAdmin<b> (read-only) : true=member has admin privileges; false=not admin
* MessageExpirationTimer<i> : int32 representing message expiration time for group
* Members<as> (read-only) : String array of group members' phone numbers
* PendingMembers<as> (read-only) : String array of pending members' phone numbers
* RequestingMembers<as> (read-only) : String array of requesting members' phone numbers
* Admins<as> (read-only) : String array of admins' phone numbers
* PermissionAddMember<s> : String representing who has permission to add members *ONLY_ADMINS, EVERY_MEMBER*
* PermissionEditDetails<s> : String representing who may edit group details *ONLY_ADMINS, EVERY_MEMBER*
* PermissionSendMessage<s> : String representing who post messages to group *ONLY_ADMINS, EVERY_MEMBER* (note that ONLY_ADMINS is equivalent to IsAnnouncementGroup)
* GroupInviteLink<s> (read-only) : String of the invitation link (starts with https://signal.group/#)

To get a property, use (replacing `--session` with `--system` if needed):
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.Get string:org.asamk.Signal.Group string:$PROPERTY_NAME`

To set a property, use:
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.Set string:org.asamk.Signal.Group string:$PROPERTY_NAME variant:$PROPERTY_TYPE:$PROPERTY_VALUE`

To get all properties, use:
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.GetAll string:org.asamk.Signal.Group`

addAdmins(recipients<as>) -> <>::
* recipients : String array of phone numbers

Grant admin privileges to recipients.

Exceptions: Failure

addMembers(recipients<as>) -> <>::
* recipients : String array of phone numbers

Add recipients to group if they are pending members; otherwise add recipients to list of requesting members.
This command is also used to accept group invitations by adding yourself to a group.

Exceptions: Failure

disableLink() -> <>::

Disables the group's invitation link.

Exceptions: Failure

enableLink(requiresApproval<b>) -> <>::
* requiresApproval : true=add numbers using the link to the requesting members list

Enables the group's invitation link.

Exceptions: Failure

quitGroup() -> <>::
Exceptions: Failure, LastGroupAdmin

removeAdmins(recipients<as>) -> <>::
* recipients : String array of phone numbers

Remove admin privileges from recipients.

Exceptions: Failure

removeMembers(recipients<as>) -> <>::
* recipients : String array of phone numbers

Remove recipients from group.

Exceptions: Failure

resetLink() -> <>::

Resets the group's invitation link to a new random URL starting with https://signal.group/#

Exceptions: Failure

=== Signal.Device interface

The following methods listen to the device's object path, which is constructed as follows:

<ACCOUNT_PATH> + "/Devices/" + deviceId

deviceId : Number representing the device identifier (obtained from listDevices() method)

Devices have the following (case-sensitive) properties:

* Id<x> (read-only) : Long representing the device identifier
* Created<x> (read-only) : Long representing the number of milliseconds since the Unix epoch
* LastSeen<x> (read-only) : Long representing the number of milliseconds since the Unix epoch
* Name<s> : String representing the display name of the device

To get a property, use (replacing `--session` with `--system` if needed):
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.Get string:org.asamk.Signal.Device string:$PROPERTY_NAME`

To set a property, use:
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.Set string:org.asamk.Signal.Device string:$PROPERTY_NAME variant:$PROPERTY_TYPE:$PROPERTY_VALUE`

To get all properties, use:
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.GetAll string:org.asamk.Signal.Device`

removeDevice() -> <>::

Exceptions: Failure

=== Signal.Identity interface

The following methods listen to the Identities object path, which is constructed as follows:

<ACCOUNT_PATH> + "/Identities/" + identity

identity : Either the phone number of a contact with underscore (_) replacing plus (+) , or if not known its uuid

Identities have the following (case-sensitive) properties:

* Number<s> (read-only) : Phone number of the contact
* Uuid<x> (read-only) : Internal uuid representing the contact
* Fingerprint<x> (read-only) : Byte array representing the fingerprint
* SafetyNumber<s> (read-only) : String representation of the safety number used to verify trust
* TrustLevel<s> (read-only) : Current trust level (UNSTRUSTED, TRUSTED_UNVERIFIED, TRUSTED_VERIFIED)
* AddedDate<x> (read-only) : Long representing the number of milliseconds since the Unix epoch
* ScannableSafetyNumber<x> (read-only) : Byte array representation of the safety number

To get a property, use (replacing `--session` with `--system` if needed):
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.Get string:org.asamk.Signal.Identity string:$PROPERTY_NAME`

To get all properties, use:
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.GetAll string:org.asamk.Signal.Identity`

trust() -> <>::

Establish trust with the given identity. TrustLevel will become TRUSTED_UNVERFIED

Exceptions: Failure

trustVerified(SafetyNumber<s>) -> <>::

Establish trust with the given identity using their safety number. TrustLevel will become TRUSTED_VERIFIED

Exceptions: Failure

=== Signal.Configuration interface

The configuration's object path, which exists only for primary devices, is constructed as follows:
<ACCOUNT_PATH> + "/Configuration"

Configurations have the following (case-sensitive) properties:

* ReadReceipts<b> : should send read receipts (true/false)
* UnidentifiedDeliveryIndicators<b> : should show unidentified delivery indicators (true/false)
* TypingIndicators<b> : should send/show typing indicators (true/false)
* LinkPreviews<b> : should generate link previews (true/false)

To get a property, use (replacing `--session` with `--system` if needed):
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.Get string:org.asamk.Signal.Configuration string:$PROPERTY_NAME`

To set a property, use:
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.Set string:org.asamk.Signal.Configuration string:$PROPERTY_NAME variant:$PROPERTY_TYPE:$PROPERTY_VALUE`

To get all properties, use:
`dbus-send --session --dest=org.asamk.Signal --print-reply $OBJECT_PATH org.freedesktop.DBus.Properties.GetAll string:org.asamk.Signal.Configuration`

== Signals

SyncMessageReceived (timestamp<x>, sender<s>, destination<s>, groupId<ay>, message<s>, attachments<as>)::
* timestamp : Integer value that can be used to associate this e.g. with a sendMessage()
* sender : Phone number of the sender
* destination : DBus code for destination
* groupId : Byte array representing the internal group identifier (empty when private message)
* message : Message text
* attachments : String array of filenames in the signal-cli storage (~/.local/share/signal-cli/attachments/)

The sync message is received when the user sends a message from a linked device.

ReceiptReceived (timestamp<x>, sender<s>)::
* timestamp : Integer value that can be used to associate this e.g. with a sendMessage()
* sender : Phone number of the sender

This signal is sent by each recipient (e.g. each group member) after the message was successfully delivered to the device

MessageReceived(timestamp<x>, sender<s>, groupId<ay>, message<s>, attachments<as>)::
* timestamp : Integer value that is used by the system to send a ReceiptReceived reply
* sender : Phone number of the sender
* groupId : Byte array representing the internal group identifier (empty when private message)
* message : Message text
* attachments : String array of filenames in the signal-cli storage (~/.local/share/signal-cli/attachments/)

This signal is received whenever we get a private message or a message is posted in a group we are an active member

== Examples

Send a text message (without attachment) to a contact::
dbus-send --print-reply --type=method_call --dest="org.asamk.Signal" /org/asamk/Signal org.asamk.Signal.sendMessage string:"Message text goes here" array:string: string:+123456789

Send a group message::
dbus-send --session --print-reply --type=method_call --dest=org.asamk.Signal /org/asamk/Signal org.asamk.Signal.sendGroupMessage string:'The message goes here' array:string:'/path/to/attachment1','/path/to/attachment2' array:byte:139,22,72,247,116,32,170,104,205,164,207,21,248,77,185

Print the group name corresponding to a groupId; the daemon runs on system bus, and was started without an explicit `-a ACCOUNT`::
dbus-send --system --print-reply --type=method_call --dest='org.asamk.Signal' /org/asamk/Signal/_1234567890 org.asamk.Signal.getGroupName array:byte:139,22,72,247,116,32,170,104,205,164,207,21,248,77,185

== Authors

Maintained by AsamK <asamk@gmx.de>, who is assisted by other open source contributors.
For more information about signal-cli development, see
<https://github.com/AsamK/signal-cli>.
