script.js

/*
This is hard coded, but in a real application would be dynamic:
*/
let email = '[email protected]';

async function documentGenerationJob(asset, outputFormat, data, token, clientId) {

	let body = {
		'assetID': asset.assetID,
		'outputFormat': outputFormat, 
		'jsonDataForMerge':data
	};


	let resp = await fetch(REST_API + 'operation/documentgeneration', {
		method: 'POST', 
		headers: {
			'Authorization':`Bearer ${token}`, 
			'X-API-KEY':clientId,
			'Content-Type':'application/json'
		},
		body:JSON.stringify(body)
	});

	return resp.headers.get('location');

}

let docGenAsset = await getUploadData('application/vnd.openxmlformats-officedocument.wordprocessingml.document', accessToken, CLIENT_ID);
await uploadFile(docGenAsset.uploadUri, WATERMARK_DOC,'application/vnd.openxmlformats-officedocument.wordprocessingml.document');
console.log('Source Word doc Uploaded');

let job = await documentGenerationJob(docGenAsset, 'pdf', { email }, accessToken, CLIENT_ID);
console.log('Generating new PDF');

let docgenResult = await pollJob(job, accessToken, CLIENT_ID);
console.log('Document generation job done');