Usage

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Template output Stand alone code
 This user has a YouTube account.
{{User:SilSinn9821/user YouTube}}
 This user has a YouTube channel under the username YouTubeID.
{{User:SilSinn9821/user YouTube|YouTubeID}}
 This user has a YouTube channel under the title Channel Title.
{{User:SilSinn9821/user YouTube|Channel Title|channelID}}
 This user has a YouTube channel under the title Channel Title.
{{User:SilSinn9821/user YouTube|Channel Title|channel=channelID}}
 This user has a YouTube channel under the title Channel Title.
{{User:SilSinn9821/user YouTube|Channel Title|custom=customID}}
 This user has a YouTube channel under the title Channel Title.
{{User:SilSinn9821/user YouTube|Channel Title|user=YouTubeID}}

Example

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For the Wikimedia Foundation channel:

Template output Stand alone code
 This user has a YouTube channel under the username WikimediaFoundation.
{{User:SilSinn9821/user YouTube|WikimediaFoundation}}
 This user has a YouTube channel under the title Wikimedia Foundation.
{{User:SilSinn9821/user YouTube|Wikimedia Foundation|UCgIIsBhcseFH1Kghmo0ULbA}}
 This user has a YouTube channel under the title Wikimedia Foundation.
{{User:SilSinn9821/user YouTube|Wikimedia Foundation|user=WikimediaFoundation}}