Using the mandatory justification - Text appears incomplete in the e-mail

I am using the mandatory justification on the decision task in my workflow.

When the justification is recorded, it generates a SOFM object like this (FOL31000000000004RAW39000000000064). This object is stored in a standard location. I am using a function module (SO_DOCUMENT_READ_API) to read this text and send by email.

The field that receives the entry is declared as CHAR255.

But the task that sends the email (SELFITEM and SENDTASKDESCRIPTION Method object) reads the same text and places it in a CHAR132 field. The text appears incomplete in the email.

Could anyone help me?

Thank you very much.

Sorry for my English, I used google translator.