pattern | String Message that includes "placeholders" where elements from argumentList are to be inserted. The message can contain any sequence of characters. Use the {n} placeholder to insert elements from argumentList, where n is the index of the element that you want to insert. For example, the following pattern string inserts elements 0 and 1 into the message: Test results: {0} items passed, {1} items failed.
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argumentList | String List Optional. List of strings to use to populate pattern. If argumentList is not supplied, the service will not replace placeholders in pattern with actual values. |
value | String Result from substituting argumentList into pattern. If pattern is empty or null, this parameter is null. |