Update a broadcast Request

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/convertkit/main/json-schema/update_a_broadcast_request.json",
  "title": "Update a broadcast Request",
  "x-tag": "Broadcasts",
  "type": "object",
  "properties": {
    "email_template_id": {
      "type": "integer",
      "description": "Id of the email template to use. Uses the account's default template if not provided. 'Starting point' template is not supported."
    },
    "email_address": {
      "type": "string",
      "nullable": true,
      "description": "The sending email address to use. Uses the account's sending email address if not provided."
    },
    "content": {
      "type": "string",
      "description": "The HTML content of the email."
    },
    "description": {
      "type": "string"
    },
    "public": {
      "type": "boolean",
      "description": "`true` to publish this broadcast to the web. The broadcast will appear in a newsletter feed on your Creator Profile and Landing Pages."
    },
    "published_at": {
      "type": "string",
      "description": "The published timestamp to display in ISO8601 format. If no timezone is provided, UTC is assumed."
    },
    "send_at": {
      "type": "string",
      "description": "The scheduled send time for this broadcast in ISO8601 format. If no timezone is provided, UTC is assumed."
    },
    "thumbnail_alt": {
      "nullable": true
    },
    "thumbnail_url": {
      "nullable": true
    },
    "preview_text": {
      "type": "string"
    },
    "subject": {
      "type": "string"
    },
    "subscriber_filter": {
      "type": "array",
      "description": "Filters your subscribers. At this time, we only support using only one filter group type via the API (e.g. `all`, `any`, or `none` but no combinations). If nothing is provided, will default to all of your subscribers.",
      "items": {
        "type": "object",
        "properties": {
          "all": {
            "type": "array",
            "description": "Filters your subscribers using a logical AND of all provided segment and tag ids, i.e. a subscriber would have to be part of all segments and tags provided",
            "items": {
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "description": "`segment` or `tag`"
                },
                "ids": {
                  "type": "array",
                  "items": {
                    "type": "integer"
                  }
                }
              },
              "required": [
                "type",
                "ids"
              ]
            }
          },
          "any": {
            "type": "array",
            "description": "Filters your subscribers using a logical OR of all provided segment and tag ids, i.e. a subscriber would have to be part of at least one of the segments or tags provided",
            "items": {
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "description": "`segment` or `tag`"
                },
                "ids": {
                  "type": "array",
                  "items": {
                    "type": "integer"
                  }
                }
              },
              "required": [
                "type",
                "ids"
              ]
            },
            "nullable": true
          },
          "none": {
            "type": "array",
            "description": "Filters your subscribers using a logical NOT of all provided segment and tag ids, i.e. a subscriber would have to be in none of the segments or tags provided",
            "items": {
              "type": "object",
              "properties": {
                "type": {
                  "type": "string",
                  "description": "`segment` or `tag`"
                },
                "ids": {
                  "type": "array",
                  "items": {
                    "type": "integer"
                  }
                }
              },
              "required": [
                "type",
                "ids"
              ]
            },
            "nullable": true
          }
        },
        "minProperties": 1,
        "required": [
          "all",
          "any",
          "none"
        ]
      }
    }
  },
  "required": [
    "email_template_id",
    "email_address",
    "content",
    "description",
    "public",
    "published_at",
    "send_at",
    "thumbnail_alt",
    "thumbnail_url",
    "preview_text",
    "subject",
    "subscriber_filter"
  ]
}