Not filled aA variables of a custom data source sends empty string

[gregory-vorbe]

Current Behavior

Version: 2.1.10-beta15
Browsers: Firefox

Custom data source "displayType" and "valueType" are not set and are expected not to be sent to the target sequence:

As variables are sent with an empty string ans overrides sequence variables default values, you have to switcj to Js mode en force a null return:

Target sequence:

Expected behavior

Not set variables should omit variable's value instead if sending empty string.

[CharlesGrimont]

It would need a checkbox like to allow send null from "aa", would be done in 2.2.X as a feature