{
  "api": {
    "PaymentMethodChangeEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent",
        "support": {
          "chrome": {
            "version_added": false
          },
          "chrome_android": {
            "version_added": false
          },
          "edge": {
            "version_added": false
          },
          "firefox": {
            "version_added": "63",
            "notes": "Available only in nightly builds.",
            "flags": [
              {
                "type": "preference",
                "name": "dom.payments.request.enabled",
                "value_to_set": "true"
              },
              {
                "name": "dom.payments.request.supportedRegions",
                "type": "preference",
                "value_to_set": "A comma-delineated list of one or more 2-character ISO country codes indicating the countries in which to support payments (for example, <code>US,CA</code>."
              }
            ]
          },
          "firefox_android": {
            "version_added": "63",
            "notes": "Available only in nightly builds.",
            "flags": [
              {
                "type": "preference",
                "name": "dom.payments.request.enabled",
                "value_to_set": "true"
              },
              {
                "name": "dom.payments.request.supportedRegions",
                "type": "preference",
                "value_to_set": "A comma-delineated list of one or more 2-character ISO country codes indicating the countries in which to support payments (for example, <code>US,CA</code>."
              }
            ]
          },
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": false
          },
          "opera_android": {
            "version_added": false
          },
          "safari": {
            "version_added": null
          },
          "safari_ios": {
            "version_added": null
          },
          "samsunginternet_android": {
            "version_added": false
          },
          "webview_android": {
            "version_added": false
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "methodDetails": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent/methodDetails",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "63",
              "notes": "Available only in nightly builds.",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.payments.request.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": {
              "version_added": "63",
              "notes": "Available only in nightly builds.",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.payments.request.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "methodName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PaymentMethodChangeEvent/methodName",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "63",
              "notes": "Available only in nightly builds.",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.payments.request.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": {
              "version_added": "63",
              "notes": "Available only in nightly builds.",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.payments.request.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}