// Node.js 示例代码
const docusign = require('docusign-esign');
const fs = require('fs');

async function uploadDocument() {
  const apiClient = new docusign.ApiClient();
  apiClient.setBasePath('https://demo.docusign.net/restapi');
  apiClient.addDefaultHeader('Authorization', 'Bearer ' + accessToken);
  
  const envelopesApi = new docusign.EnvelopesApi(apiClient);
  
  const envelopeDefinition = {
    documents: [{
      documentBase64: fs.readFileSync('document.pdf').toString('base64'),
      name: 'Contract.pdf',
      fileExtension: 'pdf',
      documentId: '1'
    }],
    emailSubject: 'Please sign this document',
    recipients: {
      signers: [{
        email: 'signer@example.com',
        name: 'John Doe',
        recipientId: '1',
        routingOrder: '1'
      }]
    },
    status: 'sent'
  };
  
  const results = await envelopesApi.createEnvelope(accountId, {envelopeDefinition});
  return results;
}

# Python 示例代码
from docusign_esign import EnvelopesApi, EnvelopeDefinition, TemplateRole

def send_from_template():
    envelope_definition = EnvelopeDefinition(
        status="sent",
        template_id="YOUR_TEMPLATE_ID"
    )
    
    # 添加接收者
    signer = TemplateRole(
        email="signer@example.com",
        name="John Doe",
        role_name="Signer"
    )
    
    envelope_definition.template_roles = [signer]
    
    # 发送信封
    envelopes_api = EnvelopesApi(api_client)
    results = envelopes_api.create_envelope(account_id, envelope_definition=envelope_definition)
    return results