Parameters and Variables
The modeled entity allows to define variables and input parameters by means of the icon 
. Once the panel is opened, variables are displayed by default, parameters can also be selected.
Variables
Variables used in entities are defined.
They allow to define data that can be used as the value of elements and in the filters of data sources. They can only be modified by code.
Operations can be performed on variables. Click on the icons 
and 
on each row to delete or update it respectively.
A new variable can be created from the icon 
. When a new variable is defined or an existing one is selected, a panel with its information opens.
The parameters used in entities are defined.
Data received by the entitiy that cannot be modified. As with variables, they can be used in elements and data sources.
Operations can be performed parameters. Click on the icons and on each row to delete or update it respectively.
A new parameter can be created from the icon . When defining a new parameter or selecting an existing one, a panel with its information opens.
