TPT scripts

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TPT scripts

Hi ,

I see in the TPT scripts that te syntax of APPLY TO OPERATOR or FROM OPERATOR is APPLY TO OPERATOR (operator_name[1]) and FROM OPERATOR (operator_name[2]).

Can anyone tell me what does this number inside [ ] indicate ?

And also how do we get to know which operator to be given in APPLY TO OPERATOR and FROM OPERATOR.

Thank you,

Devika Rani