How to pass a pv! as value for contents in Create PDF (smart service) plugin?

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How to pass a pv! as value for content in Create PDF (smart service) plugin? in Process model 

 I can pass a few words as value using this code which I got from community,

={
'type!{urn:appian:ps:pdftools}PdfContent'(
page: 1,
xPercent: 10,
yPercent: 10,
angle: 0,
sections: {
'type!{urn:appian:ps:pdftools}PdfSection'(
style: null,
components: {
'type!{urn:appian:ps:pdftools}PdfText'(
value: "Some"
),
'type!{urn:appian:ps:pdftools}PdfText'(
value: "text"
)
}
)
}
)
}

but I try to pass a pv! as value into the contents I got this error 

is there any possible to pass a pv as a value in this code 

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