Upload Form Options

Default1

The unique id of each shortcode. When you have many shortcodes of this plugin in the same page, then you must use different id for each one.

Defaultfalse

When it is activated, no Upload button will be shown, but upload will start automatically as soon as files are selected.

Defaulttrue

When it is activated, more than one files can be uploaded at the same time.

Defaultfalse

When it is activated, the user can select (or drag) an entire directory to upload. For selecting a directory using the select button, Control key needs to be pressed also. The directory can also contain nested directories. The plugin will extract and upload all contained files. It works when Multiple Files Upload is also activated.

Defaultfalse

When it is activated, the selection dialog, shown when user presses Select Files button, will always select directories.

Only applies when allowdir is on.

Defaulttrue

When it is activated, files can be added by drag and drop.

Defaultuploads

This is the folder where the files will be uploaded. The path is relative to wp-contents folder of your WordPress website. The path can be dynamic by including variables such as %username% or %blogid%. Please check Documentation on how to use variables inside uploadpath.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Defaultfixed

Valuesfixedresponsive

This defines how the plugin’s elements will fit inside the page/post. If it is set to fixed, then the plugin’s element positions will remain fixed no matter the width of the container page/post. If it is set to responsive, then the plugin’s elements will wrap to fit the width of the container page/post.

Defaultfalse

When it is activated a user can submit the upload form even if a file is not selected.

Defaultalways

Valuesalwaysonsuccessnever

It defines whether the form will be reset after upload; ‘always’ means that it will be reset in any case, ‘onsuccess’ means that it will be reset only if upload was successful, ‘never’ means that it will never be reset.

Defaulttrue

It defines whether the form will be reset after a partially successful upload (some files failed to upload).

Only applies when resetmode is on.

Defaultfalse

If set to “true“, the user will be prompted to complete a captcha (Google ReCaptcha) before uploading the files.

DefaultRecaptchaV2

ValuesRecaptchaV1RecaptchaV1 (no account)RecaptchaV2RecaptchaV2 (no account)

Select the type of captcha that will be used. For the moment, Google Recaptcha versions 1 and 2 are supported. Default is Google Recaptcha version 2. If you want to use Google Recaptcha version 2 and you do not have a Google account, then select RecaptchaV2 (no account).

Only applies when captcha is on.

Defaultempty string

Defines any options about the appearance of captcha, such as theme, size, lang etc. It has the following format: option1 = "value1", option2 = "value2", … You can find details about the available options from Google Recaptcha’s website.

Only applies when captcha is on.

Defaultall,guests

Defines the categories (roles) of users allowed to upload files. Multiple selections can be made. If ‘Select All’ is checked, then all logged users can upload files. If ‘Include Guests’ is checked, then guests (not logged users) can also upload files.

Defaultall,guests

Defines the users allowed to upload files. Multiple selections can be made. If ‘Select All’ is checked, then all logged users can upload files. If ‘Include Guests’ is checked, then guests (not logged users) can also upload files.

Default*.*

Defines the allowed file extensions. Multiple extentions can be defined, separated with comma (,).

Default50

Defines the allowed file size in MBytes. Files larger than maxsize will not be uploaded. Floating point numbers can be used (e.g. ‘2.5’).

Defaultempty string

If activated then the plugin will attempt to create the upload path, if it does not exist.

Defaultfalse

The plugin by default will modify the filename if it contains invalid or non-english characters. By enabling this attribute the plugin will not change the filename.

Defaultnormal

Valuesnormalftp

Some times files cannot be uploaded to the upload folder because of read/write permissions. A workaround is to use ftp to transfer the files, however ftp credentials must be declared, so use carefully and only if necessary.

Defaultempty string

If FTP access method is selected, then FTP credentials must be declared here, in the form username:password@ftpdomain:port, e.g. myusername:mypass@ftpdomain.com:80. Port can be ommitted. The user can select Secure FTP (SFTP) by putting the prefix ‘s’ before the port number, e.g. myusername:mypass@ftpdomain.com:s22, or FTP over TLS (FTPS) by putting the suffix ‘s’ after the port number, e.g. myusername:mypass@ftpdomain.com:21s (in this case a port number must be defined).

Only applies when accessmethod is on.

Defaultfalse

If FTP access method is selected, then sometimes the FTP domain is different than the domain of your WordPress installation. In this case, enable this attribute if upload of files is not successful.

Only applies when accessmethod is on.

Defaultfalse

If files fail to upload to the ftp domain then switching to passive FTP mode may solve the problem.

Only applies when accessmethod is on.

Defaultempty string

Force the uploaded files to have specific permissions. This is a 4-digit octal number, e.g. 0777. If left empty, then the ftp server will define the permissions.

Only applies when accessmethod is on.

Defaultfalse

It defines if a label with the upload directory will be shown.

Defaultfalse

If enabled then user can select the upload folder from a drop down list. The list is defined in subfoldertree attribute. The folder paths are relative to the path defined in uploadpath.

Defaultempty string

The list of folders a user can select. Please see documentation on how to create the list of folders. If ‘Auto-populate list’ is selected, then the list will be filled automatically with the first-level subfolders inside the directory defined by uploadpath. If ‘List is editable’ is selected, then the user will have the capability to type the subfolder and filter the subfolder list and/or define a new subfolder.

Only applies when askforsubfolders is on.

Defaultoverwrite

Valuesoverwriterejectmaintain both

It determines what happens when an uploaded file has the same name with an existing file. The uploaded file can overwrite the existing one, be rejected or both can be kept by renaming the uploaded file according to a rule defined in uniquepattern attribute.

Defaultindex

Valuesindexdatetimestamp

If duplicatespolicy is set to ‘maintain both’, then this rule defines how the uploaded file will be renamed, in order not to match an existing file. An incremental index number or a datetime stamp can be included in the uploaded file name to make it unique.

Only applies when duplicatespolicy is on.

Defaulttrue

This option uses Google Drive technique to allow the upload of very large files (>1GB) quickly by cutting them in pieces, thus overcoming time and size limitations imposed by the web server or the host. It is disabled by default.

Defaultfalse

If enabled, the user will be redirected to a url defined in redirectlink attribute upon successful upload of all the files.

Defaultempty string

This is the redirect URL. The URL can be dynamic by using variables. Please see Documentation on how to use variables inside attributes.

Accepts%filename%%username%

Only applies when redirect is on.

Defaultfalse

If enabled then more detailed messages about upload operations will be shown to administrators for debugging or error detection.

Defaultoff

Valuesautoonoff

It determines the compatibility mode for block themes. If ‘auto’ is selected the plugin will auto-detect if the theme is block based and will adapt its output accordingly. If ‘on’ is selected the plugin will always consider that the theme is block based. If ‘off’ is selected there will be no adaptation for block based themes.

Defaultfalse

If AJAX is disabled, then upload of files will be performed using HTML forms, meaning that page will refresh to complete the upload. Use it in case that AJAX is causing problems with your page (although the plugin has an auto-detection feature for checking if user’s browser supports AJAX or not).

Defaultfalse

If enabled then the plugin will be shown in test mode, meaning that all selected features will be shown but no upload will be possible. Use it to review how the plugin looks like and style it according to your needs.

Defaultfalse

If enabled then the plugin will show to administrators any internal PHP warnings and errors generated during the upload process inside the message box.

Defaulttitle/filename+selectbutton+uploadbutton/subfolders/captcha/userdata/filelist/message

It defines the positions of the selected plugin components. Drag the components from the right pane and drop them to the left one to define your own component positions.

DefaultUpload files

A text representing the title of the plugin.

DefaultSelect File/Select Files

The caption of the button that selects the files for upload. It uses plural form in case of multiple file uploads (commercial version).

DefaultSelect Directory

The caption of the select button when selecting a directory.

DefaultUpload File/Upload Files

The caption of the button that starts the upload. It uses plural form in case of multiple file uploads (commercial version).

DefaultUpload Directory

This is the label before the upload folder path, if the path is selected to be shown using the showtargetfolder attribute.

DefaultSelect Subfolder

This is the label of the subfolder dropdown list. It is active when askforsubfolders attribute is on.

DefaultPlease fill in the above words:

This is the label of the text that the user must fill-in to pass the captcha, if captcha is enabled (commercial version).

DefaultFile %filename% uploaded successfully

This is the message that will be shown for every file that has been uploaded successfully.

Accepts%filename%%filepath%

DefaultFile %filename% uploaded successfully but with warnings

This is the message that will be shown for every file that has been uploaded with warnings.

Accepts%filename%%filepath%

DefaultFile %filename% not uploaded

This is the message that will be shown for every file that has failed to upload.

Accepts%filename%%filepath%

DefaultFile %filename% is being uploaded

This is the message that will be shown while file is uploading.

Accepts%filename%%filepath%

DefaultUpload Media

The caption of the button that starts the upload when media capture from the webcam has been activated.

Defaultvideostream

This is the file name of the captured video file.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Defaultscreenshot

This is the file name of the captured image file.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Default (required)

This is the keyword that shows up next to user field labels in order to denote that they are required.

Defaultfalse

If activated then email will be sent to inform about successful file uploads.

Defaultempty string

Defines the recipients of the email notification. Can be dynamic by using variables. Please check Documentation on how to use variables in atributes.

Accepts%useremail%%userdataXXX%%n%%dq%

Only applies when notify is on.

Defaultempty string

Defines additional email headers, in case you want to sent an HTML message, or use Bcc list, or use a different From address and name or other more advanced email options.

Accepts%n%%dq%

Only applies when notify is on.

DefaultFile Upload Notification

Defines the email subject. Can be dynamic by using variables. Please check Documentation on how to use variables in atributes.

Accepts%username%%useremail%%filename%%filepath%%blogid%%pageid%%pagetitle%%userdataXXX%%dq%

Only applies when notify is on.

DefaultDear Recipient,%n%%n% This is an automatic delivery message to notify you that a new file has been uploaded.%n%%n%Best Regards

Defines the email body. Can be dynamic by using variables. Please check Documentation on how to use variables in atributes.

Accepts%username%%useremail%%filename%%filepath%%blogid%%pageid%%pagetitle%%userdataXXX%%n%%dq%

Only applies when notify is on.

Defaultfalse

If activated, then uploaded files will be included in the notification email as attachments. Please use carefully.

Only applies when notify is on.

Defaultfalse

If activated then a Messenger message will be sent to inform about successful file uploads.

DefaultYou have received new files. Check the following link for details.%n%%uploaddetails%

Defines the message that Iptanus File Upload facebook app will send to admin’s Messenger to notify about new uploads. Can be dynamic by using variables. If %uploaddetails% variable is added in the message, it will be replaced by a link, which displays additional details about the upload when clicked.

Accepts%username%%useremail%%filename%%filepath%%blogid%%pageid%%pagetitle%%userdataXXX%%uploaddetails%%n%%dq%

Only applies when messenger is on.

DefaultYou have received new files.%n%%n%Files: %filename%%n%%n%Thank you

Defines details about the new upload that will be shown to the recipient if variable %uploaddetails% is included in Messenger Text. Can be dynamic by using variables.

Accepts%username%%useremail%%filename%%filepath%%blogid%%pageid%%pagetitle%%userdataXXX%%n%%dq%

Only applies when messenger is on.

Defaultfalse

If activated, then consent from users will be asked for storing their personal data. If users do not give consent, then their data will not be stored in the database, they will only be included in the notification email, if email notifications are active.

Defaultuserdata

Valuesuserdatauserdata and files

Determines which data are considered as personal data. By default only userdata are considered as personal data. If the 2nd option is selected, then files will also be considered as personal data. This means that if the users do not give their consent, then the files will not be uploaded on the website, they will only be inluded in the notification email as attachments, if email notifications are active.

Only applies when askconsent is on.

Defaultfalse

If activated the plugin will not remember the consent answer provided by the user and the consent question will always show.

Defaultfalse

If activated and user has denied consent then the upload will be rejected. If deactivated, then the upload will continue regardless of consent answer.

DefaultYou have denied to let the website keep your personal data. Upload cannot continue!

It defines the message that will appear to the user if upload cannot continue due to consent denial.

Only applies when consentrejectupload is on.

Defaultradio

Valuescheckboxradioprompt

Determines how consent question will appear to the user. If ‘checkbox’ is selected then a checkbox will appear inside the upload form which the user needs to tick. If ‘radio’ is selected then a radio button with ‘Yes’ and ‘No’ answers will appear inside the form (this makes sure that the user will select something after all. If ‘prompt’ is selected then a dialog will appear on the user when pressing the upload button asking for consent.

Defaultnone

Valuesnoneyesno

Determines whether a default answer will be selected.

DefaultBy activating this option I agree to let the website keep my personal data

Defines the question that will appear to the user next to the checkbox, or radio buttons or inside the prompt dialog. If a word starting and ending with semicolon (:) is added in the question, e.g. :link:, then it will be replaced by a link defined in ‘Consent Disclaimer Link’ attribute. This way a link to a disclaimer can be added.

Defaultempty string

Defines a link that displays a disclaimer to the user if the user presses the relevant link that is included inside the consent question.

Defaultfalse

If enabled the upload form will use Material UI components.

Default#556CD6

The Material UI theme primary color.

Only applies when materialui is on.

Defaultrgba(0, 0, 0, 0.87)

The Material UI theme text primary color.

Only applies when materialui is on.

Default#FF1744

The Material UI theme error color.

Only applies when materialui is on.

Defaultfalse

If enabled Material UI will turn to dark theme.

Only applies when materialui is on.

Default#006600,#EEFFEE,#006666

It defines the text, background and border color of the success message.

Default#F88017,#FEF2E7,#633309

It defines the text, background and border color of the warning message.

Default#660000,#FFEEEE,#666600

It defines the text, background and border color of the fail (error) message.

Defaultempty string

It defines the widths of the selected plugin components.

Defaultempty string

It defines the heights of the selected plugin components.

Defaultfalse

If enabled, then user can send additional information together with uploaded files (e.g. name, email etc), defined in userdatalabel attribute.

DefaultYour message|t:text|s:left|r:0|a:0|p:inline|d:

Values[object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object][object Object]

It defines the labels of the additional data fields and whether they are required or not.

Only applies when userdata is on.

Defaultfalse

If enabled then the WP Filebase Plugin will be informed about new file uploads.

Defaultfalse

If enabled then the uploaded files will be added to a NextGEN Gallery.

Default1

It defines the ID of the NextGEN Gallery where uploaded files will be added.

Only applies when nextgen is on.

Defaultempty string

It defines the description of the file added to NextGEN Gallery.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Only applies when nextgen is on.

Defaultempty string

It defines the alt/title text of the file added to NextGEN Gallery.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Only applies when nextgen is on.

Defaultempty string

It defines a comma-separated list of tags for the file added to NextGEN Gallery.

Accepts%userdataXXX%

Only applies when nextgen is on.

Defaultfalse

It defines whether the added file in NextGEN Gallery will have its ‘Exclude’ property active. If it is active then the file will not be shown in Gallery until the admin deactivates it from Dashboard.

Only applies when nextgen is on.

Defaultfalse

If enabled then the uploaded files will be added to the Media library of your WordPress website. Please note that the upload path must be inside the wp-content/uploads directory (which is the default upload path).

Defaultfalse

If enabled then the uploaded files will be added to the current post as attachments. Please note that the upload path must be inside the wp-content/uploads directory (which is the default upload path).

Defaultfalse

If enabled then an image gallery will be shown below the plugin, showing all images attached to the page. If you want an uploaded image to be shown in the gallery upon upload, then use postlink="true" to attach it to the page and forceclassic="true" in order to force the page to reload every time a file is uploaded (so that the gallery is refreshed).

Defaultempty string

These are the gallery options in the form option1="value1" option2="value2". For details about the available options please visit https://developer.wordpress.org/reference/functions/gallery_shortcode/.

Only applies when gallery is on.

Defaultfalse

If enabled then the uploaded files will be transferred to the Amazon S3 account that has been configured in the plugin’s settings.

Defaultempty string

It defines the Amazon S3 bucket that the uploaded file will be transferred. It must be an existing bucket and have public access enabled. This attribute accepts variables.

Accepts%userdataXXX%

Only applies when amazons3 is on.

Defaultempty string

It defines the path inside the Amazon S3 bucket that the uploaded file will be transferred. If the path does not exist it will be created. This attribute accepts variables, just like the uploadpath attribute.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Only applies when amazons3 is on.

Defaultprivate

Valuesprivatepublic

It defines whether the trasferred file to Amazon S3 will be private (accessible only by the owner) or public (accessible for view by everyone). Default value is private. Please note that file sharing is affected by this option.

Only applies when amazons3 is on.

Defaultfalse

If it is enabled then the uploaded file’s userdata will be included in the transferred Amazon S3 file metadata.

Only applies when amazons3 is on.

Defaultkeep

Valueskeepdelete

It defines whether to keep or delete the local file stored in the website, after it has been transferred to the Amazon S3 account.

Only applies when amazons3 is on.

Defaultfalse

If it is enabled then sharing of Amazon S3 files will be activated and the files will also be included in front-end/back-end file viewers regardless of whether local copies of the files are preserved or not. Please note that File Access needs to be public for this to work.

Only applies when amazons3 is on.

Defaultfalse

If enabled then the uploaded files will be transferred to the Dropbox account that has been configured in the plugin’s settings.

Defaultempty string

It defines the path inside the Dropbox account that the uploaded file will be transferred. If the path does not exist it will be created. This attribute accepts variables, just like the uploadpath attribute.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Only applies when dropbox is on.

Defaultautorename

Valuesautorenameoverwrite

It defines whether duplicates uploaded to Dropbox will be auto-renamed or will overwrite the existing files.

Only applies when dropbox is on.

Defaultkeep

Valueskeepdelete

It defines whether to keep or delete the local file stored in the website, after it has been transferred to the Dropbox account.

Only applies when dropbox is on.

Defaultfalse

If it is enabled then sharing of Dropbox files will be activated and the files will also be included in front-end/back-end file viewers regardless of whether local copies of the files are preserved or not.

Only applies when dropbox is on.

Defaultfalse

If enabled then the uploaded files will be transferred to the Google Drive account that has been configured in the plugin’s settings.

Defaultempty string

It defines the path inside the Google Drive account that the uploaded file will be transferred. If the path does not exist it will be created. This attribute accepts variables, just like the uploadpath attribute.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Only applies when gdrive is on.

Defaultfalse

If it is enabled then the uploaded file’s userdata will be included in the transferred Google Drive file description.

Only applies when gdrive is on.

Defaultkeep

Valueskeepdelete

It defines whether to keep or delete the local file stored in the website, after it has been transferred to the Google Drive account.

Only applies when gdrive is on.

Defaultfalse

If it is enabled then sharing of Google Drive files will be activated and the files will also be included in front-end/back-end file viewers regardless of whether local copies of the files are preserved or not.

Only applies when gdrive is on.

Defaultfalse

If it is enabled then any files with identical names in Google Drive destination folder will be trashed.

Only applies when gdrive is on.

Defaultfalse

If enabled then the uploaded files will be transferred to the Microsoft OneDrive account that has been configured in the plugin’s settings.

Defaultempty string

It defines the path inside the Microsoft OneDrive account that the uploaded file will be transferred. If the path does not exist it will be created. This attribute accepts variables, just like the uploadpath attribute.

Accepts%userid%%username%%blogid%%pageid%%pagetitle%%userdataXXX%

Only applies when onedrive is on.

Defaultfalse

If it is enabled then the uploaded file’s userdata will be included in the transferred Microsoft OneDrive file description.

Only applies when onedrive is on.

Defaultkeep

Valueskeepdelete

It defines whether to keep or delete the local file stored in the website, after it has been transferred to the Microsoft OneDrive account.

Only applies when onedrive is on.

Defaultfalse

If it is enabled then sharing of OneDrive files will be activated and the files will also be included in front-end/back-end file viewers regardless of whether local copies of the files are preserved or not.

Only applies when onedrive is on.

Defaultrename

Valuesfailreplacerename

It defines what happens if a file with the same name already exists at Microsoft OneDrive destination. It can either fail, or replace the existing file or be renamed.

Only applies when onedrive is on.

Defaultfalse

This enables capturing of video or still pictures from the computer’s webcam. It is not supported by all browsers yet.

Defaultfalse

When webcam mode is enabled, the user can only capture video or images from the webcam. If this attribute is enabled, the user can also select an image file using the Select File button. The selected file will be previewed in the capture box.

Only applies when webcam is on.

Defaultcapture video

Valuescapture videotake photosboth

It defines the webcam capture mode. The webcam can either capture video, still photos or both.

Only applies when webcam is on.

Defaultfalse

It defines whether audio will be captured together with video from the webcam.

Only applies when webcam is on.

Defaultempty string

It requests a preferable video width for the webcam. The plugin will try to match this setting as close as possible depending on webcam capabilities.

Only applies when webcam is on.

Defaultempty string

It requests a preferable video height for the webcam. The plugin will try to match this setting as close as possible depending on webcam capabilities.

Only applies when webcam is on.

Defaultempty string

It requests a preferable video aspect ratio for the webcam. The plugin will try to match this setting as close as possible depending on webcam capabilities.

Only applies when webcam is on.

Defaultempty string

It requests a preferable video frame rate for video recording. The plugin will try to match this setting as close as possible depending on webcam capabilities.

Only applies when webcam is on.

Defaultany

Valuesanyfrontback

It defines if the front or back camera will be preferred (for mobile devices with 2 cameras). The plugin will try to match this setting depending on webcam capabilities.

Only applies when webcam is on.

Defaultfalse

If enabled the camera will initially be off.

Only applies when webcam is on.

Defaultfalse

If enabled a button will show up at the top-left corner of the capture box, for switching between front and back camera.

Only applies when webcam is on.

Default10

It defines the maximum time of video recording (in seconds). If it is set to -1, then there is no time limit.

Only applies when webcam is on.

Default#000000

It defines the background color of the webcam capture box.

Only applies when webcam is on.

Defaultempty string

Place here custom css to style the elements of the plugin in a more advanced way.

The numeric id of the user who is logged in when the file is uploaded.

Works inuploadpathvideonameimagenamengg_descriptionngg_alttextamazons3pathdropboxpathgdrivepathonedrivepath

The username of the user who is logged in when the file is uploaded.

Works inuploadpathredirectlinkvideonameimagenamenotifysubjectnotifymessagemessengertextmessengeruploaddetailsngg_descriptionngg_alttextamazons3pathdropboxpathgdrivepathonedrivepath

The email address of the user who is logged in when the file is uploaded.

Works innotifyrecipientsnotifysubjectnotifymessagemessengertextmessengeruploaddetails

The name of the uploaded file, without any path.

Works inredirectlinksuccessmessagewarningmessageerrormessagewaitmessagenotifysubjectnotifymessagemessengertextmessengeruploaddetails

The full path and filename of the uploaded file.

Works insuccessmessagewarningmessageerrormessagewaitmessagenotifysubjectnotifymessagemessengertextmessengeruploaddetails

What the user typed into the additional field numbered XXX, counting from 0 — so %userdata0% is the first field. Requires userdata set to true.

Works inuploadpathvideonameimagenamenotifyrecipientsnotifysubjectnotifymessagemessengertextmessengeruploaddetailsngg_descriptionngg_alttextngg_tagsamazons3bucketamazons3pathdropboxpathgdrivepathonedrivepath

A summary of the upload, for Meta Messenger notifications.

Works inmessengertext

The blog_id of the site the file was uploaded from.

Works inuploadpathvideonameimagenamenotifysubjectnotifymessagemessengertextmessengeruploaddetailsngg_descriptionngg_alttextamazons3pathdropboxpathgdrivepathonedrivepath

The id of the page or post holding the upload form.

Works inuploadpathvideonameimagenamenotifysubjectnotifymessagemessengertextmessengeruploaddetailsngg_descriptionngg_alttextamazons3pathdropboxpathgdrivepathonedrivepath

The title of the page or post holding the upload form.

Works inuploadpathvideonameimagenamenotifysubjectnotifymessagemessengertextmessengeruploaddetailsngg_descriptionngg_alttextamazons3pathdropboxpathgdrivepathonedrivepath

A line break. It exists because a literal n cannot be typed inside a shortcode.

Works innotifyrecipientsnotifyheadersnotifymessagemessengertextmessengeruploaddetails

A double quote — shortcodes cannot contain one directly.

Works innotifyrecipientsnotifyheadersnotifysubjectnotifymessagemessengertextmessengeruploaddetails

An opening square bracket, [.

The plugin source does not record where these two work. Use them in attributes that take free text.

A closing square bracket, ].

The plugin source does not record where these two work. Use them in attributes that take free text.