diff --git a/examples/firebase/index.js b/examples/firebase/index.js
index ba90999..759fbd2 100644
--- a/examples/firebase/index.js
+++ b/examples/firebase/index.js
@@ -1,177 +1,204 @@
 const functions = require("firebase-functions");
 const { PKPass } = require("passkit-generator");
 const admin = require("firebase-admin");
-var fs = require('file-system');
-var path = require('path');
-var axios = require('axios');
-var os = require('os');
+var fs = require("file-system");
+var path = require("path");
+var axios = require("axios");
+var os = require("os");
 
 // Firebase init
 admin.initializeApp({
-    credential: admin.credential.cert(require("CERTIFICATE_PATH")),
-    storageBucket: "STORAGE_BUCKET_URL"
+	credential: admin.credential.cert(require("CERTIFICATE_PATH")),
+	storageBucket: "STORAGE_BUCKET_URL",
 });
-var storageRef = admin.storage().bucket()
+var storageRef = admin.storage().bucket();
 
 exports.pass = functions.https.onRequest((request, response) => {
-    PKPass.from({
-        // Get relevant pass model from model folder (see passkit-generator/examples/models/)
-        model: `./model/${request.body.passType}.pass`,
-        certificates: {
-            // Assigning certificates from certs folder (you will need to provide these yourself)
-            wwdr: fs.fs.readFileSync("./certs/wwdr.pem"),
-            signerCert: fs.fs.readFileSync("./certs/signerCert.pem"),
-            signerKey: fs.fs.readFileSync("./certs/signerKey.pem"),
-            signerKeyPassphrase: "PASSPHRASE"
-        }, 
-    },
-        {
-            serialNumber: request.body.serialNumber,
-            description: "DESCRIPTION",
-            logoText: request.body.logoText,
-            foregroundColor: request.body.textColor,
-            backgroundColor: request.body.backgroundColor,
-            labelColor: request.body.labelColor
-        })
-        .then(async (newPass) => {
+	PKPass.from(
+		{
+			// Get relevant pass model from model folder (see passkit-generator/examples/models/)
+			model: `./model/${request.body.passType}.pass`,
+			certificates: {
+				// Assigning certificates from certs folder (you will need to provide these yourself)
+				wwdr: fs.fs.readFileSync("./certs/wwdr.pem"),
+				signerCert: fs.fs.readFileSync("./certs/signerCert.pem"),
+				signerKey: fs.fs.readFileSync("./certs/signerKey.pem"),
+				signerKeyPassphrase: "PASSPHRASE",
+			},
+		},
+		{
+			serialNumber: request.body.serialNumber,
+			description: "DESCRIPTION",
+			logoText: request.body.logoText,
+			foregroundColor: request.body.textColor,
+			backgroundColor: request.body.backgroundColor,
+			labelColor: request.body.labelColor,
+		},
+	).then(async (newPass) => {
+		let currentPassType = request.body.passType;
 
-            let currentPassType = request.body.passType;
+		if (currentPassType == "boardingPass") {
+			newPass.transitType = `PKTransitType${request.body.transitType}`;
+		}
 
-            if (currentPassType == "boardingPass") {
-                newPass.transitType = `PKTransitType${request.body.transitType}`;
-            }
+		if (request.body.relevantDate !== "Blank") {
+			newPass.setRelevantDate(new Date(request.body.relevantDate));
+		}
 
-            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.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,
+			});
+		}
 
-            if (request.body.relevantLocationLat !== "Blank" && request.body.relevantLocationLong !== "Blank") {
-                newPass.setLocations({latitude: request.body.relevantLocationLat, longitude: request.body.relevantLocationLong});
-            }
+		request.body.header.forEach((field, index) => {
+			if (field.label !== "" || field.value !== "") {
+				newPass.headerFields.push({
+					key: `header${index}`,
+					label: field.label,
+					value: field.value,
+				});
+			}
+		});
 
-            request.body.header.forEach((field, index) => {
-                if (field.label !== '' || field.value !== '') {
-                    newPass.headerFields.push({
-                        key: `header${index}`,
-                        label: field.label,
-                        value: field.value,
-                    });
-                }
-                });
+		request.body.primary.forEach((field, index) => {
+			if (field.label !== "" || field.value !== "") {
+				newPass.primaryFields.push({
+					key: `primary${index}`,
+					label: field.label,
+					value:
+						currentPassType == "boardingPass"
+							? field.value.toUpperCase()
+							: field.value,
+				});
+			}
+		});
 
-            request.body.primary.forEach((field, index) => {
-                if (field.label !== '' || field.value !== '') {
-                    newPass.primaryFields.push({
-                        key: `primary${index}`,
-                        label: field.label,
-                        value: (currentPassType == "boardingPass") ? field.value.toUpperCase() : field.value,
-                    });
-                }
-                });
+		request.body.secondary.forEach((field, index) => {
+			if (field.label !== "" || field.value !== "") {
+				newPass.secondaryFields.push({
+					key: `secondary${index}`,
+					label: field.label,
+					value: field.value,
+					textAlignment:
+						index === request.body.secondary.length - 2 ||
+						index === request.body.secondary.length - 1
+							? "PKTextAlignmentRight"
+							: "PKTextAlignmentLeft",
+				});
+			}
+		});
 
-            request.body.secondary.forEach((field, index) => {
-            if (field.label !== '' || field.value !== '') {
-                newPass.secondaryFields.push({
-                    key: `secondary${index}`,
-                    label: field.label,
-                    value: field.value,
-                    textAlignment: (index === request.body.secondary.length - 2 || index === request.body.secondary.length - 1) ? "PKTextAlignmentRight" : "PKTextAlignmentLeft",
-                });
-            }
-            });
+		request.body.auxiliary.forEach((field, index) => {
+			if (field.label !== "" || field.value !== "") {
+				newPass.auxiliaryFields.push({
+					key: `auxiliary${index}`,
+					label: field.label,
+					value: field.value,
+					textAlignment:
+						index === request.body.secondary.length - 2 ||
+						index === request.body.secondary.length - 1
+							? "PKTextAlignmentRight"
+							: "PKTextAlignmentLeft",
+				});
+			}
+		});
 
-            request.body.auxiliary.forEach((field, index) => {
-                if (field.label !== '' || field.value !== '') {
-                    newPass.auxiliaryFields.push({
-                        key: `auxiliary${index}`,
-                        label: field.label,
-                        value: field.value,
-                        textAlignment: (index === request.body.secondary.length - 2 || index === request.body.secondary.length - 1) ? "PKTextAlignmentRight" : "PKTextAlignmentLeft",
-                    });
-                }
-                });
+		if (!request.body.codeAlt || request.body.codeAlt.trim() === "") {
+			newPass.setBarcodes({
+				message: request.body.qrText,
+				format: `PKBarcodeFormat${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,
+			});
+		}
 
-            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/${thumbnailFile}`).download({destination: tempPath1})
-                } catch (error) {
-                    console.error(error)
-                }
-                let buffer = Buffer.alloc(0);
-                try {
-                    buffer = fs.readFileSync(tempPath1)
-                } catch (error) {
-                    console.error(error)
-                }
-                newPass.addBuffer("thumbnail.png", buffer)
-                newPass.addBuffer("thumbnail@2x.png", buffer)
-            }
+		// Downloading thumbnail and logo files from Firebase Storage and adding to pass
+		if (currentPassType == "generic" || currentPassType == "eventTicket") {
+			const thumbnailFile = request.body.thumbnailFile;
+			const tempPath1 = path.join(os.tmpdir(), thumbnailFile);
+			try {
+				await storageRef
+					.file(`thumbnails/${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/${logoFile}`).download({destination: tempPath2})
-            } catch (error) {
-                console.error(error)
-            }
-            let buffer = Buffer.alloc(0);
-            try {
-                buffer = fs.readFileSync(tempPath2)
-            } catch (error) {
-                console.error(error)
-            }
-            newPass.addBuffer("logo.png", buffer)
-            newPass.addBuffer("logo@2x.png", buffer)
-            
+		const logoFile = request.body.logoFile;
+		const tempPath2 = path.join(os.tmpdir(), logoFile);
+		try {
+			await storageRef
+				.file(`logos/${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);
+		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/${thumbnailFile}`).delete().then(() => {
-                    console.log('Thumbnail file deleted successfully');
-                }).catch((error) => {
-                    console.error(error);
-                })
+			// Delete thumbnail file in Firebase Storage
+			storageRef
+				.file(`thumbnails/${thumbnailFile}`)
+				.delete()
+				.then(() => {
+					console.log("Thumbnail file deleted successfully");
+				})
+				.catch((error) => {
+					console.error(error);
+				});
 
-                // Delete logo file in Firebase Storage
-                storageRef.file(`logos/${logoFile}`).delete().then(() => {
-                    console.log('Logo file deleted successfully');
-                }).catch((error) => {
-                    console.error(error);
-                })
-
-            } catch (error) {
-                console.log("Error Uploading pass " + error);
-                response.send({
-                    "explanation": error.message,
-                    "result": "FAILED",
-                });
-            }
-        })
-});
\ No newline at end of file
+			// Delete logo file in Firebase Storage
+			storageRef
+				.file(`logos/${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",
+			});
+		}
+	});
+});