/Shell/Bash/Powershell function is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

Powershell function is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.

# Powershell processes in order (top-down),
# so the function definition needs to be before the function call:

function email($text){
    #email $text
}

#Do things | 
foreach{
    email($_)
}

Source: stackoverflow.com

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