{
"signingType": "PDF_TEMPLATE", // "PDF_TEMPLATE" or "FORM_TEMPLATE"
"receiversList": [
{
"name": "Chirag Gupta", // name of the role
"email": "[email protected]", // email of the role
"message": "Message me when you're done", // you can leave this empty it will take the message from emailData
"subject": "Please sign this Chirag", // you can leave this empty it will take the message from emailData
"roleTitle": "Senior Doctor", // this has to exactly same as the role you added otherwise it will not work properly
"roleColour": "#FEE0EF" // give color to your role you can pass any hex code but it's nessacary
},
{
"name": "Chirag Gupta", // name of the role
"email": "[email protected]", // email of the role
"message": "Message me when you're done",// you can leave this empty it will take the message from emailData
"subject": "Please sign this Paresh",// you can leave this empty it will take the message from emailData
"roleTitle": "Junior Doctor",// this has to exactly same as the role you added otherwise it will not work properly
"roleColour": "#8FB1C8" // give color to your role you can pass any hex code but it's nessacary
}
],
"customVariables": 
[ 
{"varName": "[v1]", "varValue": "v1 value from api" },
{"varName": "[v2]", "varValue": "v2 value from api" }, 
{"varName": "[v3]", "varValue": "v3 value from api" }
],
"mailData": {
"subject": "subject",
// this is the global subject if you will not add anything in the receiversList
// subject this will be sent
"message": "message"
// this is the global message if you will not add anything in the receiversList
// message this will be sent
},
"documentId": "42d3b486-g946-4744-86cb-7ee25f634576",
"pdfData": "data:application/pdf;base64,JVBERi0xLjQKJSDi48/TCjMKMApvYmoKPDwKL1R5cGUKL0NhdGFsb2cKL05hbWVzCjw8Cj4+Ci9QYWdlTGFiZWxzCjw8Ci9OdW1zClsKMAo8PAovUwovRAov"
}

"signingType": "PDF_TEMPLATE" or "FORM_TEMPLATE" which you want to send for signing

"receiversList": [
{
"name": "Chirag Gupta", // name of the role
"email": "[email protected]", // email of the role
"message": "Message me when you're done", // you can leave this empty it will take the message from emailData
"subject": "Please sign this Chirag", // you can leave this empty it will take the message from emailData
"roleTitle": "Senior Doctor", // this has to exactly same as the role you added otherwise it will not work properly
"roleColour": "#FEE0EF" // give color to your role you can pass any hex code but it's nessacary
},
],

"customVariables": 
[ 
{"varName": "[v1]", "varValue": "v1 value from api" }, // v1- variable name has to be in square barckets
{"varName": "[v2]", "varValue": "v2 value from api" }, 
{"varName": "[v3]", "varValue": "v3 value from api" }
]
// if you leave varValue empty it will still work.
// if you don't pass customVariables then also the call would work, we'll pass each variable as empty.

"mailData": {
"subject": "subject",
// this is the global subject if you will not add anything in the receiversList
// subject this will be sent
"message": "message"
// this is the global message if you will not add anything in the receiversList
// message this will be sent
}

"documentId": is the document Id which you got from previous step

"pdfData": pdf data in base64 format

const axios = require('axios');
let data = JSON.stringify({
  "signingType": "PDF_TEMPLATE",
  "receiversList": [
    {
      "name": "Chirag Gupta",
      "email": "[email protected]",
      "message": "Message me when you're done",
      "subject": "Please sign this Chirag",
      "roleTitle": "Senior Doctor",
      "roleColour": "#FEE0EF"
    },
    {
      "name": "Chirag Gupta",
      "email": "[email protected]",
      "message": "Message me when you're done",
      "subject": "Please sign this Paresh",
      "roleTitle": "Junior Doctor",
      "roleColour": "#8FB1C8"
    }
  ],
  "mailData": {
    "subject": "subject",
    "message": "message"
  },
  "documentId": "YOUR_PDF_DOCUMENT_ID",
  "pdfData": "data:application/pdf;base64,JVBERi0xLjQKJSDi48/TCjMKMApvYmoKPDwKL1R5cGUKL0NhdGFsb2cKL05hbWVzCjw8Cj4+Ci9QYWdlTGFiZWxzCjw8Ci9OdW1zClsKMAo8PAovUwovRAov"
});

let config = {
  method: 'post',
  maxBodyLength: Infinity,
  url: 'https://sapi.boloforms.com/signature/pdf-template-lambda',
  headers: { 
    'x-api-key': 'YOUR_API_KEY', 
    'Content-Type': 'application/json'
  },
  data : data
};

axios.request(config)
.then((response) => {
  console.log(JSON.stringify(response.data));
})
.catch((error) => {
  console.log(error);
});