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Documentation Index

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The File upload user block allows you to collect files from your user. It supports single and multiple file uploads with customizable visibility settings and comprehensive labeling options.

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Configuration Options

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File Upload Settings

  • Required: Make file upload mandatory or optional for form completion
  • Allow Multiple Files: Enable users to upload multiple files in a single interaction
  • Placeholder: Custom HTML-enabled content displayed in the upload area
  • Visibility: Control whether uploaded files are publicly accessible or private

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Custom Labels

Comprehensive labeling system with context-aware options:
  • Button Label: Text for the submit/upload button
  • Clear Label: Text for clearing selected files (multiple files only)
  • Skip Label: Text for skipping upload (when not required)
  • Success Labels: Different messages for single vs. multiple file uploads

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Variable Integration

  • Save Upload: Choose a variable to store file URLs or file information
  • Variable content adapts based on single vs. multiple file configuration
File upload input in flow builder

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HTML Placeholder Support

The placeholder field accepts HTML for rich formatting:
  • Use HTML tags to style instructions
  • Include images or icons in upload areas
  • Create visually appealing upload prompts
  • Support for basic HTML elements and styling

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HTML Examples

<strong>Upload your resume!</strong> <br />Accepted formats: PDF, DOC, DOCX

<div style="color: #007bff;">📎 Drop files here or click to browse</div>

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File Size and Type Limitations

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Size Limit

There is a 10MB fixed limit per uploaded file. For larger files:
  • Direct users to cloud storage services (Google Drive, Dropbox, OneDrive)
  • Request shareable links instead of direct uploads
  • Consider breaking large files into smaller parts
  • Implement file compression recommendations

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File Type Handling

The block accepts all file types by default:
  • Images: JPG, PNG, GIF, SVG, WebP
  • Documents: PDF, DOC, DOCX, TXT, RTF
  • Archives: ZIP, RAR, 7Z
  • Media: MP4, MP3, AVI, WAV
  • Data: CSV, XLS, XLSX, JSON

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Visibility Options

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Public vs. Private Files

Choose how uploaded files are accessible: Public Files:
  • Generate publicly accessible URLs
  • Anyone with the link can view files
  • Compatible with external services and integrations
  • Suitable for sharing and embedding
Private Files:
  • Restricted to workspace members only
  • Require authentication to access
  • Cannot be used with external services
  • Enhanced security for sensitive documents
Auto Mode (Default):
  • Public for web-based uploads
  • Private for WhatsApp and other messaging platforms
  • Platform-optimized visibility settings

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Integration Impact

Public files enable:
  • Email attachments via Email block
  • Integration with external APIs
  • Direct linking in webhooks
  • Embedding in external websites
Private files restrict:
  • External service access
  • Direct URL sharing
  • Third-party integrations
  • Public embedding capabilities

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Multiple File Upload

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Configuration Options

When multiple file upload is enabled:
  • Users can select several files at once
  • Clear button allows removing all selected files
  • Success message includes total count using {total} placeholder
  • Variable stores array of file URLs

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Success Message Templates

  • Single file: “File uploaded successfully!”
  • Multiple files: “Uploaded files successfully!”
  • Customize messages to match your brand voice
  • Include file count for user confirmation

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Advanced Features

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Conditional Labels

Labels automatically adapt based on configuration:
  • Skip button only appears when upload is not required
  • Clear button only appears for multiple file uploads
  • Success messages change based on single vs. multiple mode

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File Preview

Uploaded files show:
  • Image thumbnails for visual files
  • File names and types for documents
  • Upload progress indicators
  • Remove/clear options

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Mobile Optimization

  • Touch-friendly upload interface
  • Camera integration for mobile uploads
  • Drag-and-drop support where available
  • Responsive layout adaptation

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Best Practices

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User Experience

  • Provide clear instructions in placeholder text
  • Set appropriate file size expectations
  • Use descriptive button labels
  • Include file format guidance when specific types are needed

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Security Considerations

  • Use private visibility for sensitive documents
  • Consider file scanning for malware
  • Implement appropriate access controls
  • Regular cleanup of unused uploaded files

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Performance

  • Monitor storage usage with multiple file uploads
  • Implement file retention policies
  • Consider image compression for large uploads
  • Use appropriate visibility settings for your use case

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Integration Examples

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Single File Upload

Configuration: Required, Public visibility
User uploads: document.pdf
Saved variable: "https://storage.quickbot.io/files/abc123/document.pdf"

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Multiple File Upload

Configuration: Optional, Private visibility, Multiple files
User uploads: photo1.jpg, photo2.jpg, document.pdf
Saved variable: ["url1", "url2", "url3"]
Success message: "Uploaded 3 files successfully!"

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Troubleshooting

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Common Issues

Files not uploading
  • Check file size is under 10MB limit
  • Verify internet connection stability
  • Ensure browser supports HTML5 file uploads
  • Test with different file types
Variable not saving file URLs
  • Confirm a variable is selected in settings
  • Check that upload completes successfully
  • Verify visibility settings don’t restrict access
  • Ensure workspace has sufficient storage
Multiple file upload issues
  • Verify “Allow multiple files” is enabled
  • Check browser compatibility with multiple file selection
  • Test file selection method (drag-drop vs. browse)
  • Confirm clear button functionality
Visibility and access problems
  • Understand public vs. private implications
  • Test file URLs in intended integration context
  • Verify workspace member access for private files
  • Check external service compatibility requirements

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Plan Restrictions

File upload blocks may have plan-specific limitations:
  • Free plans may restrict file upload functionality
  • Check plan features before implementing file uploads
  • Upgrade required messages appear during publishing
  • Multiple file uploads may require higher plan tiers

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Integration Considerations

  • Parse file URLs correctly in webhook handlers
  • Handle array format for multiple file uploads
  • Implement appropriate error handling for failed uploads
  • Consider file cleanup and retention policies
  • Test visibility settings with intended downstream systems