Uploads new documents, photos, or files to a solar installation project.

Business Context:
Use this endpoint to add important project documentation at any stage of the
installation lifecycle. Proper document management is critical for compliance,
quality assurance, and successful project completion.

Upload Process:

1. Prepare files with appropriate names and types
2. Categorize each file with the correct attachment type
3. Upload multiple files in a single request
4. Files are automatically processed and organized

File Requirements:

• Maximum Size: 10MB per file
• Supported Formats: JPG, PNG, PDF, DOCX
• Naming: Descriptive filenames help with organization

Required for Each File:

• name: Descriptive name for the document
• type: Categorization using AttachmentType enum
• file: The binary file data

When to Upload Documents:

Project Initiation:

• Signed contracts and agreements
• Initial site photos and surveys
• Customer identification and property documents

Design & Permitting:

• Final system designs and layouts
• Permit applications and approvals
• Engineering calculations and reports

Installation Phase:

• Equipment delivery photos and receipts
• Installation progress documentation
• Safety inspection photos

Completion & Testing:

• Final installation photos
• System testing and commissioning results
• Inspection certificates and approvals

Post-Installation:

• Utility PTO documentation
• System monitoring setup proof
• Customer handover materials

Best Practices:

• Upload documents promptly to maintain project timeline
• Use clear, descriptive names for easy identification
• Organize files by milestone or project phase
• Include date information in filenames when relevant
• Verify file completeness before milestone approvals

Automation Integration:
Many document types can be automatically generated and uploaded
through integrations with design platforms, inspection tools,
and utility systems.