How to check the optional attribute

[LinYunling]

Code:

schema testModel:
    name: str
    version?: str

    check:
        regex.match(name, r"^[a-z_]{1,62}$")
        regex.match(version, r"^\d{1,3}.\d{1,3}.\d{1,3}$")

test = testModel {
    name = "abc"
    #version = "1.0.0"
}

kcl run, report the error:

if I define the verison in test, everything is ok So how to check the optional attribute thanks

[Peefy]

You can use the check if filter.

import regex

schema testModel:
    name: str
    version?: str

    check:
        regex.match(name, r"^[a-z_]{1,62}$")
        regex.match(version, r"^\d{1,3}.\d{1,3}.\d{1,3}$") if version

test = testModel {
    name = "abc"
    version = "1.0.0"
}

[LinYunling]

thanks