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

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Parameters

PropertyTypeRequiredDescription
cardIdStringNoIdentifier for the selected loyalty card
merchantNameStringNoName of the card’s merchant
cardColorStringNoGradient color as two hex values separated by ; (e.g. #033397;#011131)
cardLogoStringNoDownload URL for the card’s logo image
clearSelectedStateBooleanYestrue = no card selected or deleted · false = card actively selected
successFunctionNoCallback on success
failFunctionNoCallback on failure

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Success Callback

PropertyTypeDescription
successBooleanQuery success status
resultCodeString0 success · 1000 invalid params · 1002 internal error
resultMessageStringHuman-readable status message

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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) });
  }
});