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Hello I am sorry for this mistake, Let me correct my question I need to understand , @{form->{"${module}_links"}{$key}} my question : if the $key = "IC" then {$key} will have a reference of location if the $key = "IC_tax" then {$key} will have a another reference of location if the $key = "IC" again then {$key} will have another reference of the location . but when use @{form->{"${module}_links"}{$key}} , {accno => $ref->{accno}, description => $ref-&g t;{description}} if the $key = 'IC' then it will have the same Array ref instead of the {$key} are different ref. How he succeed to fix the array ref for the same link... example when link="IC" : {$key} = hash (0x9472a28) and in next row {$key} = hash (0x9472cc8) but when you apply @{form->{"${module}_links"}{$key}} you will find form->{"${module}_links"}{$key} is Array (0x9472b60) in the two case. How ?, I couldn't understand this point. you can see the code in ic.pm at sub create_link the code will be @{form->{"${module}_links"}{$key}} , {accno => $ref->{accno}, description => $ref-&g t;{description}} or this key belong to cache so no duplicated variable. Please, be patient with me Thanks for your cooperation Shaekir Khzym
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