my.returnLoyaltyCardInfoToApp

Allow the user to select a loyalty card in the Mini Program and transmit that card’s information back to the parent application.

Parameters

Property	Type	Required	Description
cardId	String	No	Identifier for the selected loyalty card
merchantName	String	No	Name of the card’s merchant
cardColor	String	No	Gradient color as two hex values separated by `;` (e.g. `#033397;#011131`)
cardLogo	String	No	Download URL for the card’s logo image
clearSelectedState	Boolean	Yes	`true` = no card selected or deleted · `false` = card actively selected
success	Function	No	Callback on success
fail	Function	No	Callback on failure

Success Callback

Property	Type	Description
success	Boolean	Query success status
resultCode	String	`0` success · `1000` invalid params · `1002` internal error
resultMessage	String	Human-readable status message

Code Example

my.call('returnLoyaltyCardInfoToApp', {
  cardId: 'CARD_001',
  merchantName: 'Example Store',
  cardColor: '#033397;#011131',
  cardLogo: 'https://cdn.example.com/logo.png',
  clearSelectedState: false,
  success: (res) => {
    my.alert({ content: 'success: ' + JSON.stringify(res) });
  },
  fail: (error) => {
    my.alert({ content: 'error: ' + JSON.stringify(error) });
  }
});

my.scanLoyaltyCard my.transDetail

JSAPI Reference

Basic

In-App Events

UI

Media

Storage

File

Location

Map

Network

Device

Sharing

Collection

Update

Web View

Alipay Connect

Open Capabilities

Other

Parameters

Success Callback

Code Example

​Parameters

​Success Callback

​Code Example

Parameters

Success Callback

Code Example