for #2 have you applied the configuration as below - in your case it should be /conf/global 

@david_dorr can you check below line items - 1. check whether content fragment models are in enabled mode2. check whether required content fragment models are allowed on asset folder Content Fragment Models | Adobe Experience Manager 

@asn11Assuming that you have already explored GraphQL API, and it doesn't fit your requirements.You can write your own custom model exporter via extending ModelExporter, customize page.model.json as you need in order to return it to an external API.   ref - ModelExporter (Apache Sling 12 API) Solved...

@asn11 I am not getting your actual use case, but you should be able to achieve this using JSON exporter and custom selectors - Enabling JSON Export for a Component | Adobe Experience ManagerOr You should explore the use of GraphQL as well. 

@pathikparmar Hoping you are not facing any issue in generating refresh token, OAuth2 Support for the Mail Service | Adobe Experience Manager

@pathikparmar Just to check have you configured required(Day CQ Email Service) email service as given in below in below link - Configuring Email Notification | Adobe Experience Manager

@RameshKumar306   I faced a similar problem in the past and was able to solve it after adding an empty column to the first column.  

Thank you @lukasz-m , @DEBAL_DAS, I'm just avoiding writing any custom code (JAVA/ECMA script), so I decided to check here in the community if there is any OOB solution.   

Hi All!In workflow steps, is there any out of the box option to identify the payload type or MIME type (cq:page vs dam:asset)?Goal is to make author execute workflow only in sites pages, and not on any of the dam assets.   TIA,

@prash0905  how are you generating JSON from xlsx, may I know the API name?if your ask is to get column name in transformed JSON from xlsx, Using   https://poi.apache.org/apidocs/5.0/ API you should be able to get required results in generated JSON.