Get properties dynamic block

[dr.hybride]

hi everyone , i have some dynamic block and i want to edit them and change the properties by dynamo ?
now i placed them by coordinates but i dont know how to edit them.

thank for you help

[bertrand.savarit]

Hi,

You can use blockreference.setattributebytag

[dr.hybride]

thank you for your help and reactivity, but i tried but it doesnt work .
attached the script , may be i did mistakes

best regard

et merci beaucoup

[Paolo_Emilio_Serra1]

You need to actually create the block references first (see the list is Empty under Block.BLockReferences)