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Is empty

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Overview

A spell function checking if a given attribute is an empty string or equals to a NULL value.

Usage

bool is_empty(attr);
  • attr - any string variable to be checked

Results

Returns true if attr is NULL or is an empty string, otherwise returns false.

Examples

if(is_empty(string1)) {
  // Enter an alert message that appears when the if statement is fulfilled
  zmsg=format(" string1 is required in order to close this ticket");
  set_error(1);
  set_return_data(zmsg);
  return;
}
string contact_persid;
if(!is_empty(contact_persid)) {
     // ...
}
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