template
Extract a map of items from a template and supplied values for the holes.
For example, given the call templateItems("User {userId} signed in", userId) it returns mapOf("userId" to userId).
Return
a map of the values, keyed by the text in each of the holes.
Parameters
template
a template. See Message templates for more information.
values
values to fill the ‘holes’ in a template. There should be one value for each hole.