Use GlideRecord() in function field

[MiY]

Hi team,
I want to use GlideRecord() method in function definition field because need to query other table and get specific field value.

Detail requirements follows;

Create a field 1 (<-function field) in table A.

I want to set field 1 to part of table B's field 2.

table A is referenced by table B's field 3.

Can I build this function?

Please help me.

Regards,

[Bhuvan]

@MiY 

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Thanks,

Bhuvan