Add new fields to a Template

{
  "type": "object",
  "properties": {
    "fields": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "name",
          "page"
        ],
        "properties": {
          "alignment": {
            "type": "string",
            "enum": [
              "left",
              "center",
              "right"
            ]
          },
          "autoCalculateMaxLength": {
            "type": "boolean"
          },
          "backgroundColor": {
            "type": "string"
          },
          "backgroundColorFieldName": {
            "type": "string"
          },
          "backgroundColorFieldRequired": {
            "type": "boolean"
          },
          "barcodeSymbology": {
            "type": "string"
          },
          "bold": {
            "type": "boolean"
          },
          "characterSpacing": {
            "type": "number"
          },
          "checkCharacter": {
            "type": "string",
            "enum": [
              "✓",
              "✔",
              "✖",
              "✗",
              "✘"
            ]
          },
          "checkColor": {
            "type": "string"
          },
          "checkColorFieldName": {
            "type": "string"
          },
          "checkColorFieldRequired": {
            "type": "boolean"
          },
          "color": {
            "type": "string"
          },
          "colorFieldName": {
            "type": "string"
          },
          "colorFieldRequired": {
            "type": "boolean"
          },
          "comb": {
            "type": "boolean"
          },
          "combNumberOfCells": {
            "type": "number"
          },
          "combValueOffset": {
            "type": "number"
          },
          "combinedFieldFormat": {
            "type": "string"
          },
          "combinedFieldNames": {
            "type": "string"
          },
          "combinedFieldSeparator": {
            "type": "string"
          },
          "combinedFieldType": {
            "type": "string"
          },
          "condition": {
            "type": "string"
          },
          "currency": {
            "type": "boolean"
          },
          "dateTimeFormat": {
            "type": "string"
          },
          "decimalPlaces": {
            "type": "number"
          },
          "default": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "displayType": {
            "type": "string",
            "enum": [
              "text",
              "check",
              "qrcode",
              "barcode",
              "image",
              "shape"
            ]
          },
          "exclusiveMaximum": {
            "type": "boolean"
          },
          "exclusiveMinimum": {
            "type": "boolean"
          },
          "falseText": {
            "type": "string"
          },
          "fontSize": {
            "type": "number"
          },
          "height": {
            "type": "number"
          },
          "hidden": {
            "type": "boolean"
          },
          "id": {
            "type": "number"
          },
          "imageGravity": {
            "type": "string",
            "enum": [
              "NorthWest",
              "North",
              "NorthEast",
              "West",
              "Center",
              "East",
              "SouthWest",
              "South",
              "SouthEast"
            ]
          },
          "imageScaleType": {
            "type": "string",
            "enum": [
              "fit",
              "fill",
              "stretch"
            ]
          },
          "includeTime": {
            "type": "boolean"
          },
          "integer": {
            "type": "boolean"
          },
          "invertBooleanCondition": {
            "type": "boolean"
          },
          "maxLength": {
            "type": "number"
          },
          "maximum": {
            "type": "number"
          },
          "metadata": {
            "type": "string"
          },
          "minLength": {
            "type": "number"
          },
          "minimum": {
            "type": "number"
          },
          "multiline": {
            "type": "boolean"
          },
          "multilineLines": {
            "type": "number"
          },
          "name": {
            "type": "string"
          },
          "numberConditionRangeExclusiveMax": {
            "type": "boolean"
          },
          "numberConditionRangeExclusiveMin": {
            "type": "boolean"
          },
          "numberConditionRangeMax": {
            "type": "number"
          },
          "numberConditionRangeMin": {
            "type": "number"
          },
          "numberConditionType": {
            "type": "string",
            "enum": [
              "equals",
              "range",
              "gte",
              "gt",
              "lte",
              "lt"
            ]
          },
          "opacity": {
            "type": "number"
          },
          "optionList": {
            "type": "string"
          },
          "overflow": {
            "type": "string",
            "enum": [
              "shrink_to_fit",
              "truncate"
            ]
          },
          "page": {
            "type": "number"
          },
          "placeholder": {
            "type": "string"
          },
          "qrcodeColor": {
            "type": "string"
          },
          "qrcodeColorFieldName": {
            "type": "string"
          },
          "qrcodeColorFieldRequired": {
            "type": "boolean"
          },
          "required": {
            "type": "boolean"
          },
          "rotation": {
            "type": "number"
          },
          "shapeBorderColor": {
            "type": "string"
          },
          "shapeBorderColorFieldName": {
            "type": "string"
          },
          "shapeBorderColorFieldRequired": {
            "type": "boolean"
          },
          "shapeBorderWidth": {
            "type": "number"
          },
          "shapeFillColor": {
            "type": "string"
          },
          "shapeFillColorFieldName": {
            "type": "string"
          },
          "shapeFillColorFieldRequired": {
            "type": "boolean"
          },
          "shapeType": {
            "type": "string",
            "enum": [
              "square",
              "rectangle",
              "circle",
              "ellipse"
            ]
          },
          "signatureAllowDraw": {
            "type": "boolean"
          },
          "signatureAllowType": {
            "type": "boolean"
          },
          "static": {
            "type": "boolean"
          },
          "strikethrough": {
            "type": "boolean"
          },
          "stringConditionType": {
            "type": "string",
            "enum": [
              "equals",
              "contains",
              "starts_with",
              "ends_with",
              "regex"
            ]
          },
          "title": {
            "type": "string"
          },
          "trueText": {
            "type": "string"
          },
          "type": {
            "type": "string",
            "enum": [
              "string",
              "number",
              "boolean",
              "date",
              "address",
              "country",
              "email",
              "url",
              "image",
              "signature",
              "barcode",
              "combined"
            ]
          },
          "typeface": {
            "type": "string"
          },
          "uppercase": {
            "type": "boolean"
          },
          "vAlignment": {
            "type": "string",
            "enum": [
              "bottom",
              "center",
              "top"
            ]
          },
          "width": {
            "type": "number"
          },
          "x": {
            "type": "number"
          },
          "y": {
            "type": "number"
          }
        },
        "additionalProperties": false
      }
    },
    "template_id": {
      "type": "string"
    }
  },
  "required": [
    "fields",
    "template_id"
  ],
  "additionalProperties": false
}