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    Update a scheduled message

    This action updates information on a specific scheduled message. You can’t change the message type. Update operation should be done at least 5 minutes prior to the original scheduled time.


    HTTP request

    POST https://api-{application_id}.sendbird.com/v3/group_channels/{channel_url}/scheduled_messages/{scheduled_message_id}
    

    Parameters

    The following table lists the parameters that this action supports.

    Required
    Parameter nameTypeDescription

    channel_url

    string

    Specifies the URL of the channel.

    scheduled_message_id

    long

    Specifies the unique ID of the scheduled message.


    Request body

    The following table lists the properties of an HTTP request that this action supports for creating a scheduled text message, file message, and admin message.

    List of properties for updating a scheduled text message

    Optional
    Property nameTypeDescription

    message

    string

    Specifies the content of the message.

    scheduled_at

    long

    The specified time that indicates when to send the message, in Unix milliseconds format. Since messages are scheduled in minutes, values less than seconds are discarded. The specified time can be between 5 minutes and 43,200 minutes (30 days) from the current time.

    custom_type

    string

    Specifies a custom message type used for message grouping. The length is limited to 128 characters.

    * Custom types are also used to segment metrics within Sendbird's Advanced analytics, which enables the sub-classification of data views.

    data

    string

    Specifies additional message information such as custom font size, font type, or JSON formatted string.

    send_push

    boolean

    Determines whether to send a push notification of the message to the channel members. This property only applies to group channels. (Default: true)

    mention_type

    string

    Specifies the mentioning method that indicates which user gets a notification of the message. Acceptable values are users and channel. If set to users, only the users specified in the mentioned_user_ids property below get notified. If set to channel, all users in the channel get notified. (Default: users)

    mentioned_user_ids[]

    array of strings

    Specifies an array of one or more IDs of the users who get a notification of the message.

    is_silent

    boolean

    Determines whether to send a message without updating some of the following channel properties. If set to true, the channel's last_message is updated only for the sender while its unread_message_count remains unchanged for all channel members. Also, a push notification isn't sent to the users receiving the message. If the message is sent to a hidden channel, the channel still remains hidden. (Default: false)

    * Once the value of this property is set, it's irreversible.

    mark_as_read

    boolean

    Determines whether to mark the message as read for the sender. If set to false, then the sender's unread_count and read_receipt remain unchanged after the message is sent. (Default: true)

    sorted_metaarray

    array of objects

    Specifies an array of one or more JSON objects consisting of key-values items that store additional message information. Items are saved and returned in the exact order they've been specified.

    dedup_id

    string

    Specifies a unique ID for the message created by another system. In general, this property is used to prevent the same message data from getting inserted when migrating messages from another system to the Sendbird server. If specified, the server performs a duplicate check using the property value.

    apns_bundle_id

    string

    Specifies the bundle ID of the client app in order to send a push notification to iOS devices. You can find this in Settings > Chat > Notifications > Push notification services on Sendbird Dashboard.

    apple_critical_alert_options

    object

    Specifies options that support Apple's critical alerts and checks whether the message is a critical alert.

    sound

    string

    Specifies the name of a sound file that is used for critical alerts.

    volume

    float

    Specifies the volume of the critical alert sound. The volume ranges from 0.0 to 1.0, which indicates silent and full volume, respectively. (Default: 1.0)

    List of properties for updating a scheduled file message

    Optional
    Property nameTypeDescription

    url

    string

    Specifies the URL of the file hosted on the server of your own or other third-party companies. If this url property is specified, the file property is not required.

    scheduled_at

    long

    The specified time that indicates when to send the message, in Unix milliseconds format. Since messages are scheduled in minutes, values less than seconds are discarded. The specified time can be between 5 minutes and 43,200 minutes (30 days) from the current time.

    file_name

    string

    If the file property is used for file upload, this property is automatically specified by the Sendbird server. Otherwise, specify the name of the file directly.

    file_size

    int

    If the file property is used for file upload, this property is automatically specified by the Sendbird server. Otherwise, specify the size of the file directly.

    file_type

    string

    If the file property is used for file upload, this property is automatically specified by the Sendbird server. Otherwise, specify the media type of the file directly.

    thumbnails[]

    array of strings

    Specifies an array of one or more URLs of external thumbnail images that are generated from the image specified by the url property.

    * If you're using the auto-thumbnail generation feature, up to three thumbnails of the uploaded image or video file can be generated by specifying the width and height in an HTTP multipart request. For more information on how to make the request, refer to request body and response samples for sending a message.

    custom_type

    string

    Specifies a custom message type used for message grouping. The length is limited to 128 characters.

    * Custom types are also used to segment metrics within Sendbird's Advanced analytics, which enables the sub-classification of data views.

    data

    string

    Specifies additional message information regarding the file in JSON format.

    require_auth

    boolean

    Determines whether the files and thumbnail images in a message are only accessible by users who are in the same channel. This property is only effective when using the share encrypted files feature. This feature encrypts any type of uploaded files and the automatically-generated thumbnail images with AES256, stores them securely in the Sendbird server, and enables only the users with access to share the files. You can use the property to restrict access to the files.

    If set to true, the files are uploaded first, then encrypted, and finally stored along with the thumbnail images which are encrypted as well. When accessing them, the parameter auth, which is specified with an encryption key of the user such as ?auth=RW5b2RIHaMdGV4eA==, should be added to the end of the file URLs. An encryption key managed internally by the Sendbird system is generated every time a user logs in to the Sendbird server and is valid for three days starting from the last login. The system mainly uses the key to check if a user is properly accessing the data of the application. (Default: true)

    send_push

    boolean

    Determines whether to send a push notification of the message to the channel members. This property only applies to group channels. (Default: true)

    mention_type

    string

    Specifies the mentioning method that indicates which user gets a notification of the message. Acceptable values are users and channel. If set to users, only the users specified in the mentioned_user_ids property below get notified. If set to channel, all users in the channel get notified. (Default: users)

    mentioned_user_ids[]

    array of strings

    Specifies an array of one or more IDs of the users who get a notification of the message.

    is_silent

    boolean

    Determines whether to send a message without updating some of the following channel properties. If set to true, the channel's last_message is updated only for the sender while its unread_message_count remains unchanged for all channel members. Also, a push notification isn't sent to the users receiving the message. If the message is sent to a hidden channel, the channel still remains hidden. (Default: false)

    * Once the value of this property is set, it's irreversible.

    mark_as_read

    boolean

    Determines whether to mark the message as read for the sender. If set to false, the sender's unread_count and read_receipt remain unchanged after the message is sent. (Default: true)

    sorted_metaarray

    array of objects

    Specifies an array of one or more JSON objects consisting of key-values items to store additional message information. Items are saved and returned in the order they've been specified.

    dedup_id

    string

    Specifies a unique ID for the message created by another system. In general, this property is used to prevent the same message data from getting inserted when migrating messages from another system to Sendbird server. If specified, the server performs a duplicate check using the property value.

    apns_bundle_id

    string

    Specifies the bundle ID of the client app in order to send a push notification to iOS devices. You can find this in Settings > Chat > Notifications > Push notification services on Sendbird Dashboard.

    apple_critical_alert_options

    object

    Specifies options that support Apple critical alerts and checks whether the message is a critical alert.

    sound

    string

    Specifies the name of a sound file that is used for critical alerts.

    volume

    float

    Specifies the volume of the critical alert sound. The volume ranges from 0.0 to 1.0, which indicates silent and full volume, respectively. (Default: 1.0)

    List of properties for updating a scheduled admin message

    Optional
    Property nameTypeDescription

    message

    string

    Specifies the content of the message.

    scheduled_at

    long

    The specified time that indicates when to send the message, in Unix milliseconds format. Since messages are scheduled in minutes, values less than seconds are discarded. The specified time can be between 5 minutes and 43,200 minutes (30 days) from the current time.

    custom_type

    string

    Specifies a custom message type used for message grouping. The length is limited to 128 characters.

    * Custom types are also used to segment metrics within Sendbird's Advanced analytics, which enables the sub-classification of data views.

    data

    string

    Specifies additional message information such as custom font size, font type, or JSON formatted string.

    send_push

    boolean

    Determines whether to send a push notification of the message to the channel members. Unlike text and file messages, a push notification of an admin message is not sent by default. This property only applies to group channels. (Default: false)

    mention_type

    string

    Specifies the mentioning method that indicates which user gets a notification of the message. Acceptable values are users and channel. If set to users, only the users specified in the mentioned_user_ids property below get notified. If set to channel, all users in the channel get notified. (Default: users)

    mentioned_user_ids[]

    array of strings

    Specifies an array of one or more IDs of the users who get a notification of the message.

    is_silent

    boolean

    Determines whether to send a message without updating some of the following channel properties. If set to true, the channel's last_message is updated only for the sender while its unread_message_count remains unchanged for all channel members. Also, a push notification isn't sent to the users receiving the message. If the message is sent to a hidden channel, the channel still remains hidden. (Default: false)

    * Once the value of this property is set, it's irreversible.

    sorted_metaarray

    array of objects

    Specifies an array of one or more JSON objects consisting of key-values items to store additional message information. Items are saved and returned in the exact order they’ve been specified.

    dedup_id

    string

    Specifies a unique ID for the message created by another system. In general, this property is used to prevent the same message data from getting inserted when migrating messages from another system to the Sendbird server. If specified, the server performs a duplicate check using the property value.

    apns_bundle_id

    string

    Specifies the bundle ID of the client app in order to send a push notification to iOS devices. You can find this in Settings > Chat > Notifications > Push notification services on Sendbird Dashboard.


    Response

    If successful, this action returns a list of scheduled messages resource in the response body.

    In the case of an error, an error object is returned. A detailed list of error codes is available here.