這個模板需要什麼？問它吧。

-> get_template_fields {"template":{"filePath":"order-lines.docx"}}
<- { "tagCount": 3,
     "dataSourceNames": [ "lines" ],
     "fields": [ "lines[].Title", "lines[].Quantity" ],
     "dataSkeleton": { "lines": [ { "Title": "", "Quantity": "" } ] },
     "notes": [ "fields and dataSkeleton are inferred from the tags,
       not from the engine; values computed by Select/GroupBy
       projections are not followed." ] }

template problem          what the server says          the fix
------------------------  ----------------------------  -------------------
{{name}} placeholders     "2 '{{...}}' placeholder(s).  write <<[name]>>
                          ... does not process that
                          syntax"
<<foreach>> never closed  "Unexpected end of template.  add <</foreach>>
                          A block tag is not closed"
data lacks a field        "The template reads 'Email',  add it, or
                          which the data does not have" allowMissingMembers

-> get_template_fields {"template":{"filePath":"shipping-notice.docx"}}
<- { "tagCount": 0, "notes": [ "No <<…>> tags were found: ...",
     "The template contains 2 '{{…}}' placeholder(s). GroupDocs.Assembly
      does not process that syntax and leaves it as text; write
      <<[name]>> instead." ] }

-> assemble_document {"template":{"filePath":"order-lines.docx"},
     "dataJson":"{\"lines\":[{\"Title\":\"Cable\",\"Quantity\":2}]}"}
<- Document assembly failed for 'order-lines.docx': ...
   Unexpected end of template. A block tag is not closed: every
   <<foreach>> needs <</foreach>> and every <<if>> needs <</if>>.

-> assemble_document {"template":{"filePath":"inline-error.docx"},
     "dataJson":"{\"name\":\"x\"}","inlineErrors":true}
<- Assembled 'inline-error.docx' ... The template has errors: each one
   is written into the output next to its tag, starting with 'Error!'

-> get_template_fields {"template":{"filePath":"contracts-table.msg"}}
<- { "readable": false, "notes": [ "Tags cannot be read from a .msg
     template without generating it. Save the template as DOCX, XLSX,
     PPTX or EML to inspect it, or generate it with assemble_document
     and inlineErrors=true to see which fields fail." ] }