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Using expressions in EMX
For some entity type attributes an expression can be set that determines whether or not a condition is true based on the attribute values to determine whether values are valid, visible or required.
The following expression returns true when the value of attribute 'myAttributeName' of an entity only contains alphanumberic characters:
regex('^[a-zA-Z0-9]+$',{myStringAttributeName})
In this example:
{myStringAttributeName}
looks up the value of themyStringAttributeName
variableregex
is a function
You can combine expressions to perform more complex logic:
{myIntAttributeName} > 3 and {myIntAttributeName} < 6
Last modified 2yr ago