System variable expression examples

Interpolation of a globally resolved system variable

Input

'Now is {$datetimeutc} (UTC)'

Output

'Current database name is 01.01.2021 15:00:00 (UTC)'

Breakdown

1. 'Now is '
2. {$datetimeutc}
   • Evaluates to "01.01.2021 15:00:00'
3. '(UTC)

Externally resolved system variable

Input

'Current database name is {$dbname}'

Output

"Current database name is E1_PROD"

Breakdown

1. 'Current database name is'
2. {$dbname}
3. Evaluates to 'E1_PROD' via an external resolver.

Acquiring a data member from a system variable and applying a format specifier

Input

'Current company location is {$enterprisecompanylocation.LocationName:en}.'

Output

'Current company location is London, UK.'

Breakdown

1. 'Current company location is '
2. {$enterprisecompanylocation.LocationName:en}
   • Resolves system variable $enterprisecompanylocation to 'CompanyLocation' object type.
   • Follows the reference path:
     • .LocationName
   • Evaluates to MultilanguageString object
   • Format specifier finds :en and applies it.
   • Returns "London, UK'
3. "."

#Error# Not existing system variable

Input

'Yesterday was {$yesterday}.'

Output

'Yesterday was #Error: System Variable '$yesterday' not found#.'

Breakdown

1. 'Yesterday was'
2. {$yesterday}
   • Resolves system variable $yesterday --> Fail. Such a system variable doesn't exist.
   • Returns error.
3. '.'

#Error# Not existing reference

Input

'My name is {$user.RealName}.'

Output

'My name is #Error: Attribute 'RealName' not found#.'

Breakdown

1. `'My name is''
2. {$user.RealName}
   • Resolves system variable $user to a 'User' object type.
   • Follows the reference path:
     • .RealName --> Fail. Reference doesn't exist.
   • Returns error.
3. '.'