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AppsMicrosoft Outlook ToolsOutlook Create User Message Attachment
Microsoft Outlook Tools

Outlook Create User Message Attachment

Tool to create an attachment on a message in a user's mail folder. Use when you need to attach a file or item to an existing message in a specific user's mailbox.

Write actionRisk level 2 of 5OAuth connection
Use Outlook Create User Message Attachment

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Free
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Not currently supported

Inputs

  • itemobject
    The nested item payload (message, event, or contact) with its own '@odata.type'. Required when '@odata.type' is '#microsoft.graph.itemAttachment'.
  • namestring
    Required
    The display name of the attachment (e.g., file name like 'document.pdf' or 'image.png').
  • user_idstring
    Required
    The unique identifier of the user. Can be the user's UPN (user principal name) or the user's object ID.
  • isInlineboolean
    Set to true if the attachment should appear inline within the message body content.
  • contentIdstring
    Content ID for inline attachments, used to reference the attachment within the HTML message body.
  • message_idstring
    Required
    The unique identifier of the message to attach to. This is NOT an email address but an opaque string identifier returned by Microsoft Graph API operations.
  • odata_typestring
    Required
    The OData type of the attachment. Use '#microsoft.graph.fileAttachment' for file attachments (requires 'contentBytes'), '#microsoft.graph.itemAttachment' for embedded items like messages or events (requires 'item'), or '#microsoft.graph.referenceAttachment' for reference attachm…
  • contentTypestring
    The MIME type of the attachment (e.g., 'text/plain', 'application/pdf'). Optional but recommended for file attachments.
  • contentBytesstring
    Base64-encoded content of the file attachment. Required when '@odata.type' is '#microsoft.graph.fileAttachment'. Must be valid base64-encoded data.
  • mail_folder_idstring
    Required
    The unique identifier of the mail folder containing the message. This is typically a long opaque string identifying the specific folder.
  • contentLocationstring
    URI indicating the content location of the attachment.

Observable output

  • data
    Required
    Data from the action execution
  • errorstring
    Error if any occurred during the execution of the action
  • successfulboolean
    Required
    Whether or not the action execution was successful or not

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