jwt

string

Required.

Google Pay API for Passes Json Web Token (JWT) used to save the loyalty pass to Google Pay.

A JWT can be generated by following the instructions at the Save passes to Google Pay page.

height

"small" | "standard"

Optional.

Height of button to display. Possible values are: small (30px high) and standard (38px high). The height defaults to small. Refer to Google Pay API for Passes buttons to see samples of buttons with different height settings.

Default value "small".

size

"matchparent" | undefined

Optional.

Width of button to display. You can set size to matchparent to have the width match the width of the parent element. Refer to Google Pay API for Passes buttons to see samples of buttons with different size settings.

Default value undefined.

textsize

"large" | undefined

Optional.

When textsize of large is specified, displays dramatically increased text size and button size, for cases with special UI requirements.

Default value undefined.

theme

"dark" | "light"

Optional.

Theme of button to display. Possible values are: dark and light. The default theme is dark. Refer to Google Pay API for Passes buttons to see samples of buttons with different theme settings.

Default value "dark".

onSuccess

A callback function that is invoked when the user successfully saves the pass to their account.

onFailure

A callback that is invoked when an error occurs in the process of saving the pass. The first paramemer is a CustomEvent where the detail property describes the details of the error.

onProvideJwt

A callback function that can be used to intercept and potentially manipulate the JWT before the pass is saved to Google Pay. This function must return a string.