Hi Patrick,I am  not sure if anyone is using  HBase specifically as their data store. IMO essentially what you can leverage is the client SDK which Hbase provides which is available for languages like java, scala etc and integrate the same with AEM. You can write a custom submit action which would m...

Yes there is a step completion expression for you exact use case for wizard layout.

The + and - button are not present as AF component and are part of layout so they are not configurable by default. You can customize accordion layout for which you add button in the layout and write click script for updating the drop-down. Alternatively you can use any other layout and drop buttons ...

'text{OOOOOOOO'@example.com'} The above would work if and only if you write an 8 character string and nothing else. This special regex (its not exactly regex) is part of XFA spec and you can study about googling XFA spec.  I can suggest a simple way that is to write a validation expression that retu...

Currently, it will be a bit complicated for you. Are  you planning to re-write all the forms components and layouts you would use to sightly ? I would advice you to include this piece of code in a jsp and then include it via https://github.com/Adobe-Marketing-Cloud/sightly-spec/blob/master/SPECIFICA...

Store content due to obvious security reason is not allowed to anonymous user.  You must be trying to  submit to store content anonymously. 

Yes you can use email PDF submit action  https://helpx.adobe.com/aem-forms/6/configuring-submit-actions.html#Configuring%20the%20Email%20PDF%20action%20submit%20action. If you want to create a template and have some data and put complete data in PDF, you can write a custom action like https://helpx....

I think you are looking for https://helpx.adobe.com/aem-forms/6/configuring-submit-actions.html#Configuring%20the%20Submit%20to%20REST%20endpoint%20submit%20action 

<version>6.1.1</version> ? I am sure that's not a valid version at all. Can you let me know what release version of AEM forms are you on?

You should find rule editor in 6.1.0 FP1 release bits.