diff --git a/examples/firebase/.gitignore b/examples/firebase/.gitignore
index dbb58ff..7bc8e8d 100644
--- a/examples/firebase/.gitignore
+++ b/examples/firebase/.gitignore
@@ -61,6 +61,3 @@ node_modules/
 
 # Yarn Integrity file
 .yarn-integrity
-
-# dotenv environment variables file
-.env
diff --git a/examples/firebase/functions/.env b/examples/firebase/functions/.env
new file mode 100644
index 0000000..7aa5e11
--- /dev/null
+++ b/examples/firebase/functions/.env
@@ -0,0 +1,4 @@
+WWDR=1234 #TODO change this with the content of your WWDR Certificate
+SIGNER_CERT=1234 #TODO change this with the content of your Signer Certificare
+SIGNER_KEY=1234 #TODO change this with the content of your Signer Key certificate
+SIGNER_KEY_PASSPHRASE=12356 #TODO change this with the passphrase of your SIGNER_KEY
\ No newline at end of file
diff --git a/examples/firebase/functions/src/index.js b/examples/firebase/functions/src/index.js
new file mode 100644
index 0000000..c868c74
--- /dev/null
+++ b/examples/firebase/functions/src/index.js
@@ -0,0 +1,228 @@
+const functions = require("firebase-functions");
+const admin = require("firebase-admin");
+const { PKPass } = require("passkit-generator");
+const fs = require("node:fs");
+const path = require("node:path");
+const axios = require("axios");
+const os = require("node:os");
+
+// Firebase init
+admin
+	.initializeApp
+	// {
+	// 	credential: admin.credential.cert(require("CERTIFICATE_PATH")),
+	// 	storageBucket: "STORAGE_BUCKET_URL",
+	// }
+	();
+
+const storageRef = admin.storage().bucket();
+
+exports.pass = functions.https.onRequest(async (request, response) => {
+	const newPass = await PKPass.from(
+		{
+			// Get relevant pass model from model folder (see passkit-generator/examples/models/)
+			model: `./model/${request.body.passType}.pass`,
+			certificates: {
+				// Assigning certificates from certs folder (you will need to provide these yourself)
+				wwdr: process.env.WWDR,
+				signerCert: process.env.SIGNER_CERT,
+				signerKey: process.env.SIGNER_KEY,
+				signerKeyPassphrase: process.env.SIGNER_KEY_PASSPHRASE,
+			},
+		},
+		{
+			serialNumber: request.body.serialNumber,
+			description: "DESCRIPTION",
+			logoText: request.body.logoText,
+			foregroundColor: request.body.textColor,
+			backgroundColor: request.body.backgroundColor,
+			labelColor: request.body.labelColor,
+		},
+	);
+
+	let currentPassType = request.body.passType;
+
+	if (currentPassType == "boardingPass") {
+		newPass.transitType = `PKTransitType${request.body.transitType}`;
+	}
+
+	if (request.body.relevantDate !== "Blank") {
+		newPass.setRelevantDate(new Date(request.body.relevantDate));
+	}
+
+	if (request.body.expiryDate !== "Blank") {
+		newPass.setExpirationDate(new Date(request.body.expiryDate));
+	}
+
+	if (
+		request.body.relevantLocationLat !== "Blank" &&
+		request.body.relevantLocationLong !== "Blank"
+	) {
+		newPass.setLocations({
+			latitude: request.body.relevantLocationLat,
+			longitude: request.body.relevantLocationLong,
+		});
+	}
+
+	for (let i = 0; i < request.body.header.length; i++) {
+		const field = request.body.header[i];
+
+		if (!(field.label && field.value)) {
+			continue;
+		}
+
+		newPass.headerFields.push({
+			key: `header${i}`,
+			label: field.label,
+			value: field.value,
+		});
+	}
+
+	for (let i = 0; i < request.body.primary.length; i++) {
+		const field = request.body.primary[i];
+
+		if (!(field.label && field.value)) {
+			continue;
+		}
+
+		newPass.primaryFields.push({
+			key: `primary${i}`,
+			label: field.label,
+			value:
+				currentPassType == "boardingPass"
+					? field.value.toUpperCase()
+					: field.value,
+		});
+	}
+
+	for (let i = 0; i < request.body.secondary.length; i++) {
+		const field = request.body.secondary[i];
+
+		if (!(field.label && field.value)) {
+			continue;
+		}
+
+		const isElementInLastTwoPositions =
+			index === request.body.secondary.length - 2 ||
+			index === request.body.secondary.length - 1;
+
+		newPass.secondaryFields.push({
+			key: `secondary${i}`,
+			label: field.label,
+			value: field.value,
+			textAlignment: isElementInLastTwoPositions
+				? "PKTextAlignmentRight"
+				: "PKTextAlignmentLeft",
+		});
+	}
+
+	for (let i = 0; i < request.body.auxiliary.length; i++) {
+		const field = request.body.auxiliary[i];
+
+		if (!(field.label && field.value)) {
+			continue;
+		}
+
+		const isElementInLastTwoPositions =
+			index === request.body.auxiliary.length - 2 ||
+			index === request.body.auxiliary.length - 1;
+
+		newPass.auxiliaryFields.push({
+			key: `auxiliary${i}`,
+			label: field.label,
+			value: field.value,
+			textAlignment: isElementInLastTwoPositions
+				? "PKTextAlignmentRight"
+				: "PKTextAlignmentLeft",
+		});
+	}
+
+	if (!request.body.codeAlt || request.body.codeAlt.trim() === "") {
+		newPass.setBarcodes({
+			message: request.body.qrText,
+			format: `PKBarcodeFormat${request.body.codeType}`,
+			messageEncoding: "iso-8859-1",
+		});
+	} else {
+		newPass.setBarcodes({
+			message: request.body.qrText,
+			format: `PKBarcodeFormat${request.body.codeType}`,
+			messageEncoding: "iso-8859-1",
+			altText: request.body.codeAlt,
+		});
+	}
+
+	// Downloading thumbnail and logo files from Firebase Storage and adding to pass
+	if (currentPassType == "generic" || currentPassType == "eventTicket") {
+		const thumbnailFile = request.body.thumbnailFile;
+		const tempPath1 = path.join(os.tmpdir(), thumbnailFile);
+		try {
+			await storageRef
+				.file(`thumbnails/${thumbnailFile}`)
+				.download({ destination: tempPath1 });
+		} catch (error) {
+			console.error(error);
+		}
+		let buffer = Buffer.alloc(0);
+		try {
+			buffer = fs.readFileSync(tempPath1);
+		} catch (error) {
+			console.error(error);
+		}
+		newPass.addBuffer("thumbnail.png", buffer);
+		newPass.addBuffer("thumbnail@2x.png", buffer);
+	}
+
+	const logoFile = request.body.logoFile;
+	const tempPath2 = path.join(os.tmpdir(), logoFile);
+	try {
+		await storageRef
+			.file(`logos/${logoFile}`)
+			.download({ destination: tempPath2 });
+	} catch (error) {
+		console.error(error);
+	}
+	let buffer = Buffer.alloc(0);
+	try {
+		buffer = fs.readFileSync(tempPath2);
+	} catch (error) {
+		console.error(error);
+	}
+	newPass.addBuffer("logo.png", buffer);
+	newPass.addBuffer("logo@2x.png", buffer);
+
+	const bufferData = newPass.getAsBuffer();
+	try {
+		console.log("Pass was uploaded successfully.");
+		response.set("Content-Type", newPass.mimeType);
+		response.status(200).send(bufferData);
+
+		// Delete thumbnail file in Firebase Storage
+		storageRef
+			.file(`thumbnails/${thumbnailFile}`)
+			.delete()
+			.then(() => {
+				console.log("Thumbnail file deleted successfully");
+			})
+			.catch((error) => {
+				console.error(error);
+			});
+
+		// Delete logo file in Firebase Storage
+		storageRef
+			.file(`logos/${logoFile}`)
+			.delete()
+			.then(() => {
+				console.log("Logo file deleted successfully");
+			})
+			.catch((error) => {
+				console.error(error);
+			});
+	} catch (error) {
+		console.log("Error Uploading pass " + error);
+		response.send({
+			explanation: error.message,
+			result: "FAILED",
+		});
+	}
+});