Change password for mysql user

{
  "type": "object",
  "properties": {
    "databaseName": {
      "type": "string"
    },
    "database_name": {
      "type": "string",
      "description": "Name of the database."
    },
    "password": {
      "type": "string",
      "description": "The password for the database user.<br />\r\nPasswords have to adhere to following rules:<br /><ul><li>Between 8-20 characters.</li><li>Must be a mix of letters and digits.</li><li>Must contain at least one digit (0-9).</li><li>Must contain at least one letter (a-z).</li><li>Cannot contain spaces.</li><li>Cannot contain characters: * € $ & + } { ' \" \\ </li></ul>"
    },
    "userName": {
      "type": "string"
    },
    "user_name": {
      "type": "string",
      "description": "Name of the user."
    }
  },
  "required": [
    "databaseName",
    "database_name",
    "userName",
    "user_name"
  ],
  "additionalProperties": false
}