Is there an expression for converting values of longtitude and latitude into a point

[KerenCohen]

I need to calculate a shape from an input of json.
Is there an expression that I can use to convert the longtitude and latitude values into a point geometry to feed a shape field?

[MorakotPilouk1]

You can try the Add XYZ Processor downloadable from here.

http://solutionsdev.arcgis.com/military/land-operations/templates/geoevent-extension/tools/processor...

You can also get the source code from GitHub here.

solutions-geoevent-java/solutions-geoevent/processors/addxyz-processor at master · Esri/solutions-ge...