Field Masks

An input mask refers to a string expression, defined by a developer, that constrains user input. It can be said to be a template, or set format that entered data must conform to.

Mask Legend

Character	Description
#	Any digit
A	Any capital letter
a	Any small letter
N	Any capital alphanumeric character
n	Any small alphanumeric character
X	Any special symbol (-!$%^&*()_+|~=`{}[]:";'<>?,./) or space

Examples

Type	Mask
credit-card	#### - #### - #### - ####
date-with-time	##/##/#### ##:##
phone	(###) ### - ####
social	###-##-####
time	##:##
time-with-seconds	##:##:##

Output Parameters

Just add the following as an output parameter to a node which is asking for a user input where a mask is required.

Will force the UI to accept a phone number

inputMask = (###) ### - ####

You can also override the help text that is shown in the input field.

Output Parameter

inputHelpText = Enter a phone number