ph_usererrmsg PowerHome formula function
Description
Inserts a user defined/generated error message into the PowerHome eventlog 
Syntax
ph_usererrmsg ( as_message )
Argument Description
as_message String. The error message to be inserted into the eventlog
Return value
Integer. Returns 0 
Usage
Use this function insert your own error messages into the PowerHome eventlog. The event number will be a value of 45. Similar to the ph_usermessage function in that a user generated message is added to the eventlog but this one would be for errors vs the informational messages typically generated using ph_usermessage 
Examples
The following examples demonstrate typical syntax/usage for this function.
• ph_usererrmsg("Macro ID: GETTEMPERATURE returned an invalid value")