my schema is like:-

        {

          key: 'triggers', required: true,

          children: >

            { key: 'trigger_name' },

            { key: 'template_uuid' },

            { key: 'utm_source' },

            { key: 'utm_campaign' },

            { key: 'utm_medium' },

            { key: 'utm_content' },

            { key: 'utm_term' },

            { key: 'account_adapter_uuid' },

            { key: 'custom_url_params' ,children: {key:"name"},{key:"value"}]},

          ],

        },

 

giving error only one level of nested  child is allowed