Using Variable Substitution in Validation Actions

You can use variable substitution in validation actions to write dynamic validations that provide a result based on the values of input and output parameters of a procedure or function, or on the return value of a function. You can specify strings in the following format in validation actions:

What is actually substituted is the string representation of the parameter value. For example:

You can use variable substitution for all types of validation actions except Compare Tables. For the applicable validation action types, variable substitution is performed as follows: