You can can see the basic syntax of the MQL language.

Description

    All MQL function (and not script) respect the format "category1 categoryN action param1 paramN"

Parameters

    category1:   The category 1 - string - not required
    categoryN:   The category N - string - not required
    action:   The category 1 - string - required
    param1:   The parameter 1 - string - not required
    paramN:   The parameter 1 - string - not required

admin
who

mentdb
mentdb

admin
concat "Hello " "Adam!"

mentdb
Hello Adam!