3. Init the library

Init the library with the method init() by passing a parameter object of type ParamsType.
Here is a resume of all parameters available:

Name	Description	Required	Default	Type
paymentOrderID	ID of the payment order	Yes in `payment` mode	null	String
objectSecret	Secret of the payment order. This one is provided once in the response of the POST createPaymentOrder	Yes in `payment` mode	null	String
publicKey	Public key of your Paygreen shop. Yours can be found or created here	Yes	null	String
instrument	ID of the instrument. If provided will directly init a payment with this instrument (oneclick)	No	null	String
paymentMethod	Force the payment method to display. list of payment methods If empty, null or undefined will list all the payment methods available for the payment order. Otherwise will display the payment method corresponding to the string value. Useless if instrument is provided. Doesn't work for apple_pay and google_pay due to security policy	Yes in `instrument` mode	null	String
mode	Choose how the library will work. Payment mode will execute a payment. Instrument modes will provide you a valid instrument. More info here	Yes	`payment`	String
modeOptions	Options to define for each mode. Actually only used in instrument mode AuthorizedInstrument: define if the instrument will be authorized or not ShopId: precise for which shop you want to create this instrument	No	`{ authorizedInstrument?: false, shopId?: null }`	Object
style	Pass a custom style to the payment form. Will apply to inputs inside the iframes See customization	No	Null	Object
buyer	ID of the buyer to link the instrument created (`instrument` mode only)	No	Null	String
displayCardLogo	Display the logo of the card provider in pan input	No	true	Bool
lang	Change language of the forms	No	Browser language	String
displayAuthentication	Define how you want to display the 3DS (`inline` or `modal`)	No	`inline`	String

Details parameters types are available here

Example

paygreenjs.init({  
  paymentOrderID: "po_xxxxxxxxxxxxxxxxxxx", <!--Add your payment order IDD-->  
  objectSecret: "xxxxxxxxxxxx", <!--Add the payment order objectsecret here -->  
  publicKey: "pk_xxxxxxxxxxx", <!--Add your public key heree-->  
  mode: "payment",   
});