Export notification channels and import all at once

[JAAnguloCanovas]

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We are trying to export all the notification channels of our OpenSearch, we have used the command:

GET _plugins/_notifications/configs
But we can't import them all at once, we have to go one by one by executing this command:

POST /_plugins/_notifications/configs/
    {
      "config_id" : "hhhhhhhh",
      "config" : {
        "name" : "hhhhhhhhhhhh",
        "description" : "Email account created from the Alerting plugin",
        "config_type" : "smtp_account",
        "is_enabled" : true,
        "smtp_account" : {
          "host" : "hhhhhhhhhhh",
          "port" : 25,
          "method" : "none",
          "from_address" : "hhhhhhhhhhhh"
        }
      }
    }

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Please could you give me a possible solution to export all existing notification channels in my OpenSearch and import them into another OpenSearch.

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OpenSearch Version 2.3.0

[gaobinlong]

Just like bulk api, we can also support specifying multiple notification configs when calling the creating notification config api, @JAAnguloCanovas thanks for opening this issue, could you help to make some change and open a PR for it?

[mintun-myo-2020]

i would like to try taking this

[SuZhou-Joe]

@mintun-myo-2020 Any update on this issue?