[tlaplus] How to obtain the value in a function

[Naomi Cherono <cheronaumi@xxxxxxxxx>]

Statement1==/\effect'="allow"

            /\action'="close"

            /\resource'="db1"

      

Statement2==/\effect'="deny"

            /\action'="close"

            /\resource'="db1"

Hello:

In the above statements, i need to compare the values of effect in statement1 and effect in statement2. I am learning TLA+ and would like to know the equivalent of Statement1[effect] in TLA+ (I need to return the value allow so that i can compare with  effect in Statement2)

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